[1] Rovigo Hosp, Dept Gen Surg, Rovigo, Italy
[2] Brigham & Womens Hosp, Dept Surg, Ctr Metab & Bariatr Surg, Boston, MA USA
[3] Harvard Med Sch, Boston, MA USA
[4] VA Palo Alto Hlth Care Syst, Stanford Sch Med, Dept Surg, 3801 Miranda Ave, GS 112, Palo Alto, CA 94304 USA
[5] Federico II Univ Naples, Dept Publ Hlth, Naples, Italy
[6] Whittington Hosp, London, England
[7] King Saud Univ, New You Med Ctr, Riyadh, Saudi Arabia
[8] Cleveland Clin, Bariatr & Metab Inst, Dept Gen Surg, Cleveland, OH USA
[9] Weight Works Clin, Amersfoort, Netherlands
[10] Allur Clin, Amersfoort, Netherlands
[11] Monash Univ, Cent Clin Sch, Dept Surg, Alfred Hlth, Melbourne, Vic, Australia
[12] Hosp Alemao Oswaldo Cruz, Ctr Treatment Obes & Diabet, Sao Paulo, Brazil
[13] Univ Roma Tor Vergata, Dept Surg Sci, Rome, Italy
[14] Univ Brasilia, Gastrocirurgia Brasilia, Brasilia, Brazil
[15] Cleveland Clin, Bariatr & Metab Inst, Cleveland, OH USA
[16] Jordan Hosp, Gastrointestinal Bariatr & Metab Ctr GBMC, Amman, Jordan
[17] UNAM INCMNSZ, Endocrine & Bariatr Surg, Mexico City, Mexico
[18] Cleveland Clin Florida, Bariatr Inst, 2950 Cleveland Clin Blvd, Weston, FL 33331 USA
[19] Delta Chirec Hosp, Bariatr Surg Unit, Brussels, Belgium
[20] ICOT Hosp Latina, Dept Med Surg Sci & Biotechnol Sapienza Polo Ponti, Latina, Italy
[21] Iran Univ Med Sci, Hazrat E Fatemeh Hosp, Div Minimally Invas & Bariatr Surg, Dept Surg,Minimally Invas Surg Res Ctr, Tehran, Iran
[22] Flinders Univ South Australia, Adelaide Bariatr Ctr, Adelaide, Australia
[23] NYU, Dept Surg, Grossman Sch Med, New York, NY USA
[24] Osped Evangel Betania, Dept Gen & Laparoscop Surg, Obes & Metab Surg Unit, Naples, Italy
[25] Univ Iowa, Dept Surg, Iowa City, IA USA
[26] South Tyneside & Sunderland Fdn NHS Trust, Sunderland, England
[27] San Giovanni Dio Hosp Frattamaggiore, Gen & Laparoscop Surg, Naples, Italy
[28] Leeds Teaching Hosp NHS Trust, Dept Nutr & Dietet, Leeds, England
[29] Hartford Hosp, Div Metab & Bariatr Surg, Hartford, CT USA
[30] Osped Montebelluna, UOC Chirurg Gen & Urgenza, Montebelluna, Italy
[31] CHI Mem Hosp, Bariatr Surg Program, Chattanooga, TN USA
[32] Med Univ Vienna, Vienna, Austria
[33] Penn State Hlth Milton S Hershey Med Ctr, Dept Surg, Hershey, PA USA
[34] Turku Univ Hosp, Dept Digest Surg, Div Digest Surg & Urol, Turku, Finland
[35] NIH, NIDDK Metab & Obes Res Unit, Bethesda, MD USA
[36] Univ Hosp Lausanne, Dept Visceral Surg, Lausanne, Switzerland
[37] Seconda Univ Napoli, Naples, Italy
[38] Univ Napoli Federico II, Dept Adv Biomed Sci, Naples, Italy
[39] Asst Fatebenefratelli Sacco Milan, Gen Surg Unit, Milan, Italy
[40] Univ South Carolina, Sch Med, Dept Surg, Prisma Hlth, Greenville, SC USA