[1] Iran Univ Med Sci, Hazrat E Fatemeh Hosp, Minimally Invas Surg Res Ctr, Dept Surg,Div Minimally Invas & Bariatr Surg, Tehran, Iran
[2] Osped Evangel Betania, Naples, Italy
[3] Harvard Med Sch, Brigham & Womens Hosp, Ctr Metab & Bariatr Surg, Dept Surg, Boston, MA USA
[4] Univ Naples Federico II, Adv Biomed Sci Dept, Naples, Italy
[5] Flinders Univ South Australia, Adelaide Bariatr Ctr, Adelaide, Australia
[6] Weight Works Clin & Allur Clin, Amersfoort, Netherlands
[7] Iranian Hosp, Alwasl Rd, Dubai, U Arab Emirates
[8] Univ Melbourne, Austin & Repatriat Med Ctr, Heidelberg, Vic, Australia
[9] Cleveland Clin, Bariatr & Metab Inst, Dept Gen Surg, Cleveland, OH USA
[10] Federico II Univ Naples, Dept Publ Hlth, Naples, Italy
[11] CDA, Capital Hosp, Islamabad, Pakistan
[12] Jordan Hosp, Gastrointestinal Bariatr & Metab Ctr GBMC, Minimally Invas & Bariatr Surg, Amman, Jordan
[13] New Life Ctr, Guatemala City, Guatemala
[14] Ventura Adv Surg Associates, Ventura, CA USA
[15] Clin Las Condes, Nutr & Bariatr Ctr, Santiago, Chile
[16] Monash Univ, Cent Clin Sch, Dept Surg, Alfred Hlth, Melbourne, Vic, Australia
[17] Dr Federico Abete Hosp Trauma & Emergency Obes & M, Malvinas, Argentina
[18] Univ Paris 05, Paris, France
[19] Texas Tech HSC Paul Foster Sch Med, Dept Surg, El Paso, TX USA
[20] Hosp Alemao Oswaldo Cruz, Ctr Treatment Obes & Diabet, Sao Paulo, Brazil
[21] Rovigo Hosp, Dept Gen Surg, Rovigo, Italy
[22] Sint Jan Brugge Oostende, Dept Gen Surg, Brugge, AZ, Belgium
[23] OB Clin, Prague, Czech Republic
[24] Westmount Sq Surg Ctr, Dept Surg, Westmount, PQ, Canada
[25] Endovitta Inst, Sao Paulo, Brazil
[26] CIUSSS NIM, Div Bariatr Surg, Montreal, PQ, Canada
[27] Univ Montreal, Dept Surg, Montreal, PQ, Canada
[28] Ain Shams Univ, Fac Med, Bariatr Surg Unit, Cairo, Egypt
[29] Mayo Clin, Dept Surg, Div Metab & Abdominal Wall Reconstruct Surg, Rochester, MN USA
[30] Healthpoint, Bariatr & Metab Surg Ctr, Abu Dhabi, U Arab Emirates
[31] Makassed Gen Hosp, Beirut, Lebanon
[32] Univ Nacl Autonoma Mexico, Endocrine & Bariatr Surg, INCMNSZ, Mexico City, Mexico
[33] UCSF Fresno, Fresno Heart & Surg Hosp, Fresno, CA USA
[34] Delta Chirec Hosp, Bariatr Surg Unit, Brussels, Belgium
[35] Univ Arizona, Coll Med, Phoenix, AZ USA
[36] Weight Loss & Metab Surg Ctr, Yotsuya Med Cube, Tokyo, Japan
[37] View Hosp, Digest & Bariatr Surg Dept, Doha, Qatar
[38] Taiba Hosp, Kuwait, Kuwait
[39] Chelsea & Westminster Hosp, Dept Bariatr & Metab Surg, London, England
[40] Oslo Univ Hosp, Dept Endocrinol Morbid Obes & Prevent Med, Oslo, Norway
[41] Cleveland Clin, Digest Dis & Surg Inst, Foregut Surg & Surg Endoscopy, Cleveland, OH USA
[42] NYU, Dept Surg, Grossman Sch Med, New York, NY USA
[43] Sir HN Reliance Fdn Hosp, Dept Gen Surg & Minimal Access Surg Sci, Mumbai, India
[44] UnityPoint Clin Weight Loss Specialists, W Des Moines, IA USA
[45] China Med Univ, Med Weight Loss Ctr, Shinchu Hosp, Zhubei City, Taiwan
[46] Univ Hosp Derby & Burton NHS Fdn Trust, East Midlands Bariatr & Metab Inst, Derby DE22 3NE, England
[47] South Tyneside & Sunderland Fdn NHS Trust, Sunderland, England
[48] Sharjah Univ, Dept Bariatr Surg, Sharjah, U Arab Emirates
[49] NMC Royal Hosp, Abu Dhabi, U Arab Emirates
[50] Univ Crete, Heraklion Univ Hosp, Bariatr Unit, Iraklion, Greece