| 1. | 
				                                                                				                                                                       
				                                                                        Phillips BT, Shikora SA. The history of metabolic and bariatric surgery: development of standards for patient safety and efficacy. Metabolism, 2018, 79: 97-107.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 2. | 
				                                                                				                                                                       
				                                                                        Stegenga H, Haines A, Jones K, <italic>et al</italic>. Identification, assessment, and management of overweight and obesity: summary of updated NICE guidance. BMJ, 2014, 349: g6608.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 3. | 
				                                                                				                                                                       
				                                                                        Menzo EL, Hinojosa M, Carbonell A, <italic>et al</italic>. American Society for Metabolic and Bariatric Surgery and American Hernia Society consensus guideline on bariatric surgery and hernia surgery. Surg Obes Relat Dis, 2018, 14(9): 1221-1232.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 4. | 
				                                                                				                                                                       
				                                                                        Wang FG, Yan WM, Yan M, <italic>et al</italic>. Outcomes of mini vs Roux-en-Y gastric bypass: a meta-analysis and systematic review. Int J Surg, 2018, 56: 7-14.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 5. | 
				                                                                				                                                                       
				                                                                        Patel SR, Mason J, Hakim N. The duodenal-jejunal bypass sleeve (endobarrier gastrointestinal liner) for weight loss and treatment of type ii diabetes. Indian J Surg, 2012, 74(4): 275-277.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 6. | 
				                                                                				                                                                       
				                                                                        Roslin MS, Cripps CN. Bariatric surgery in managing diabetes mellitus. Curr Opin Gastroenterol, 2016, 32(6): 481-486.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 7. | 
				                                                                				                                                                       
				                                                                        Padwal R, Klarenbach S, Wiebe N, <italic>et al</italic>. Bariatric surgery: a systematic review and network meta-analysis of randomized trials. Obes Rev, 2011, 12(8): 602-621.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 8. | 
				                                                                				                                                                       
				                                                                        WHO Expert Consultation. Appropriate body-mass index for Asian populations and its implications for policy and intervention strategies. Lancet, 2004, 363(9403): 157-163.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 9. | 
				                                                                				                                                                       
				                                                                        American Diabetes Association. 2. Classification and diagnosis of diabetes: standards of medical care in diabetes-2019. Diabetes Care, 2019, 42(Suppl 1): S13-S28.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 10. | 
				                                                                				                                                                       
				                                                                        Guyatt GH, Busse JW. Tool to assess risk of bias in randomized controlled trials; 2017. Available from: https://www.evidencepartners.com/wp-content/uploads/2017/09/Tool-to-Assess-Risk-of-Bias-in-Randomized-Controlled-Trials.pdf.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 11. | 
				                                                                				                                                                       
				                                                                        Higgins JPT, Churchill R, Chandler J, et al. Cochrane handbook for systematic reviews of interventions version 5.2.0, 2011. Available from: http://www.training.cochrane.org/handbook.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 12. | 
				                                                                				                                                                       
				                                                                        王琪, 王韵华, 赖鸿皓, 等. 网状 Meta 分析证据质量分级: CINeMA 在线应用程序简介. 中国循证医学杂志, 2020, 20(9): 1111-1116.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 13. | 
				                                                                				                                                                       
				                                                                        Azevedo FR, Santoro S, Correa-Giannella ML, <italic>et al</italic>. A prospective randomized controlled trial of the metabolic effects of sleeve gastrectomy with transit bipartition. Obes Surg, 2018, 28(10): 3012-3019.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 14. | 
				                                                                				                                                                       
				                                                                        Casajoana A, Pujol J, Garcia A, <italic>et al</italic>. Predictive value of gut peptides in t2d remission: randomized controlled trial comparing metabolic gastric bypass, sleeve gastrectomy and greater curvature plication. Obes Surg, 2017, 27(9): 2235-2245.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 15. | 
				                                                                				                                                                       
				                                                                        Cortez RV, Petry T, Caravatto P, <italic>et al</italic>. Shifts in intestinal microbiota after duodenal exclusion favor glycemic control and weight loss: a randomized controlled trial. Surg Obes Relat Dis, 2018, 14(11): 1748-1754.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 16. | 
				                                                                				                                                                       
				                                                                        Courcoulas AP, Belle SH, Neiberg RH, <italic>et al</italic>. Three-year outcomes of bariatric surgery vs lifestyle intervention for type 2 diabetes mellitus treatment: a randomized clinical trial. JAMA Surg, 2015, 150(10): 931-940.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 17. | 
				                                                                				                                                                       
				                                                                        Cummings DE, Arterburn DE, Westbrook EO, <italic>et al</italic>. Gastric bypass surgery vs intensive lifestyle and medical intervention for type 2 diabetes: the CROSSROADS randomised controlled trial. Diabetologia, 2016, 59(5): 945-953.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 18. | 
				                                                                				                                                                       
				                                                                        Ding SA, Simonson DC, Wewalka M, <italic>et al</italic>. Adjustable gastric band surgery or medical management in patients with type 2 diabetes: a randomized clinical trial. J Clin Endocrinol Metab, 2015, 100(7): 2546-2556.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 19. | 
				                                                                				                                                                       
				                                                                        Dixon JB, O'Brien PE, Playfair J, <italic>et al</italic>. Adjustable gastric banding and conventional therapy for type 2 diabetes: a randomized controlled trial. JAMA, 2008, 299(3): 316-323.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 20. | 
				                                                                				                                                                       
				                                                                        Ikramuddin S, Korner J, Lee WJ, <italic>et al</italic>. Lifestyle intervention and medical management with vs without Roux-en-Y gastric bypass and control of hemoglobin A1c, LDL cholesterol, and systolic blood pressure at 5 years in the diabetes surgery study. JAMA, 2018, 319(3): 266-278.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 21. | 
				                                                                				                                                                       
				                                                                        Keidar A, Hershkop KJ, Marko L, <italic>et al</italic>. Roux-en-Y gastric bypass vs sleeve gastrectomy for obese patients with type 2 diabetes: a randomised trial. Diabetologia, 2013, 56(9): 1914-1918.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 22. | 
				                                                                				                                                                       
				                                                                        Koehestanie P, de Jonge C, Berends FJ, <italic>et al</italic>. The effect of the endoscopic duodenal-jejunal bypass liner on obesity and type 2 diabetes mellitus, a multicenter randomized controlled trial. Ann Surg, 2014, 260(6): 984-992.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 23. | 
				                                                                				                                                                       
				                                                                        Lee WJ, Chong K, Lin YH, <italic>et al</italic>. Laparoscopic sleeve gastrectomy <italic>versus</italic> single anastomosis (mini-) gastric bypass for the treatment of type 2 diabetes mellitus: 5-year results of a randomized trial and study of incretin effect. Obes Surg, 2014, 24(9): 1552-1562.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 24. | 
				                                                                				                                                                       
				                                                                        Liang Z, Wu Q, Chen B, <italic>et al</italic>. Effect of laparoscopic Roux-en-Y gastric bypass surgery on type 2 diabetes mellitus with hypertension: a randomized controlled trial. Diabetes Res Clin Pract, 2013, 101(1): 50-56.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 25. | 
				                                                                				                                                                       
				                                                                        Mingrone G, Panunzi S, De Gaetano A, <italic>et al</italic>. Bariatric-metabolic surgery <italic>versus</italic> conventional medical treatment in obese patients with type 2 diabetes: 5 year follow-up of an open-label, single-centre, randomised controlled trial. Lancet, 2015, 386(9997): 964-973.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 26. | 
				                                                                				                                                                       
				                                                                        Murphy R, Clarke MG, Evennett NJ, <italic>et al</italic>. Laparoscopic sleeve gastrectomy <italic>versus</italic> banded Roux-en-Y gastric bypass for diabetes and obesity: a prospective randomised double-blind trial. Obes Surg, 2018, 28(2): 293-302.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 27. | 
				                                                                				                                                                       
				                                                                        Peterli R, Wölnerhanssen BK, Peters T, <italic>et al</italic>. Effect of laparoscopic sleeve gastrectomy vs laparoscopic Roux-en-Y gastric bypass on weight loss in patients with morbid obesity: the sm-boss randomized clinical trial. JAMA, 2018, 319(3): 255-265.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 28. | 
				                                                                				                                                                       
				                                                                        Rodriguez L, Reyes E, Fagalde P, <italic>et al</italic>. Pilot clinical study of an endoscopic, removable duodenal-jejunal bypass liner for the treatment of type 2 diabetes. Diabetes Technol Ther, 2009, 11(11): 725-732.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 29. | 
				                                                                				                                                                       
				                                                                        Schauer PR, Bhatt DL, Kirwan JP, <italic>et al</italic>. Bariatric surgery <italic>versus</italic> intensive medical therapy for diabetes - 5-year outcomes. N Engl J Med, 2017, 376(7): 641-651.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 30. | 
				                                                                				                                                                       
				                                                                        Schouten R, Rijs CS, Bouvy ND, <italic>et al</italic>. A multicenter, randomized efficacy study of the EndoBarrier Gastrointestinal Liner for presurgical weight loss prior to bariatric surgery. Ann Surg, 2010, 251(2): 236-243.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 31. | 
				                                                                				                                                                       
				                                                                        Simonson DC, Halperin F, Foster K, <italic>et al</italic>. Clinical and patient-centered outcomes in obese patients with type 2 diabetes 3 years after randomization to Roux-en-Y gastric bypass surgery <italic>versus</italic> intensive lifestyle management: The SLIMM-T2D Study. Diabetes Care, 2018, 41(4): 670-679.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 32. | 
				                                                                				                                                                       
				                                                                        Tang Q, Sun Z, Zhang N, <italic>et al</italic>. Cost-effectiveness of bariatric surgery for type 2 diabetes mellitus: a randomized controlled trial in china. Medicine (Baltimore), 2016, 95(20): e3522.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 33. | 
				                                                                				                                                                       
				                                                                        Tarnoff M, Rodriguez L, Escalona A, <italic>et al</italic>. Open label, prospective, randomized controlled trial of an endoscopic duodenal-jejunal bypass sleeve <italic>versus</italic> low calorie diet for pre-operative weight loss in bariatric surgery. Surg Endosc, 2009, 23(3): 650-656.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 34. | 
				                                                                				                                                                       
				                                                                        Wentworth JM, Burton P, Laurie C, <italic>et al</italic>. Five-year outcomes of a randomized trial of gastric band surgery in overweight but not obese people with type 2 diabetes. Diabetes Care, 2017, 40(4): e44-e45.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 35. | 
				                                                                				                                                                       
				                                                                        Yang J, Wang C, Cao G, <italic>et al</italic>. Long-term effects of laparoscopic sleeve gastrectomy <italic>versus</italic> Roux-en-Y gastric bypass for the treatment of Chinese type 2 diabetes mellitus patients with body mass index 28-35 kg/m<sup>2</sup>. BMC Surg, 2015, 15: 88.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 36. | 
				                                                                				                                                                       
				                                                                        Yi B, Jiang J, Zhu LY, <italic>et al</italic>. Comparison of the effects of Roux-en-Y gastrojejunostomy and LRYGB with small stomach pouch on type 2 diabetes mellitus in patients with BMI<35 kg/m<sup>2</sup>. Surg Obes Relat Dis, 2015, 11(5): 1061-1068.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 37. | 
				                                                                				                                                                       
				                                                                        Service GJ, Thompson GB, Service FJ, <italic>et al</italic>. Hyperinsulinemic hypoglycemia with nesidioblastosis after gastric-bypass surgery. N Engl J Med, 2005, 353(3): 249-254.
				                                                                 | 
				                                                            
				                                                        
				                                                            
				                                                                | 38. | 
				                                                                				                                                                       
				                                                                        Guo Y, Liu CQ, Shan CX, <italic>et al</italic>. Gut microbiota after Roux-en-Y gastric bypass and sleeve gastrectomy in a diabetic rat model: Increased diversity and associations of discriminant genera with metabolic changes. Diabetes Metab Res Rev, 2017, 33(3).
				                                                                 |