[1] Iran Univ Med Sci, Rasool E Akram Hosp, Minimally Invas Surg Res Ctr, Sch Med,Div Minimally Invas & Bariatr Surg,Dept S, Tehran, Iran
[2] Whittington Hosp, London, England
[3] Osped Evangel Betania, Bariatr & Metab Surg Unit, Naples, Italy
[4] Harvard Med Sch, Brigham & Womens Hosp, Dept Surg, Boston, MA USA
[5] Cleveland Clin, Bariatr & Metab Inst, Dept Gen Surg, Cleveland, OH USA
[6] Iranian Hosp, Dubai, U Arab Emirates
[7] Federico II Univ Naples, Dept Publ Hlth, Naples, Italy
[8] Jordan Hosp, Gastrointestinal Bariatr & Metab Ctr GBMC, Minimally Invas & Bariatr Surg, Amman, Jordan
[9] New Life Ctr, Guatemala City, Guatemala
[10] Mohak Bariatr & Robot Ctr, Indore, India
[11] Texas Tech HSC Paul Foster Sch Med, Dept Surg, El Paso, TX USA
[12] Oswaldo Cruz German Hosp, Ctr Obes & Diabet, Sao Paulo, Brazil
[13] Polyclin Lyon Nord, Rillieux La Pape, France
[14] AZ Sint Jan Brugge Oostende, Dept Gen Surg, Brugge, Belgium
[15] Rovigo Hosp, Dept Gen Surg, Rovigo, Italy
[16] Ain Shams Univ, Fac Med, Bariatr Surg Unit, Cairo, Egypt
[17] Makassed Gen Hosp, Beirut, Lebanon
[18] Delta Chirec Hosp, Bariatr Surg Unit, Brussels, Belgium
[19] China Med Univ Hosp, Body Sci & Metab Disorders Int Med Ctr, Taichung, Taiwan
[20] Univ Arizona, Coll Med, Phoenix, AZ USA
[21] Yotsuya Med Cube, Weight Loss & Metab Surg Ctr, Tokyo, Japan
[22] CHU Felix Guyon, Dept Digest Surg, St Denis, La Reunion, France
[23] Walsall Healthcare NHS Trust, Walsall, England
[24] Flinders Med Ctr, Adelaide, SA, Australia
[25] Cleveland Clin, Digest Dis & Surg Inst, Cleveland, OH USA
[26] Sir H N Reliance Fdn Hosp, Mumbai, India
[27] Hosp Angeles Tijuana Mexico, Tijuana, Mexico
[28] Diakonissen Wehrle Private Hosp, Salzburg, Austria
[29] Univ Naples Federico II, Adv Biomed Sci Dept, Naples, Italy
[30] Atrium Hlth, Charlotte, NC USA
[31] Clin Bouchard, F-13006 Marseille, France
[32] Univ Buenos Aires, Ctr CIEN Diagnomed, Dept Surg, Buenos Aires, Argentina
[33] Univ Nacl Mayor San Marcos, Dept Surg Clin Anglo Amer, Lima, Peru
[34] Univ Paris Cite, Hop Bichat, AP HP, Dept Digest Oeso Gastr & Bariatr Surg, Paris, France
[35] Med Univ Vienna, Vienna, Austria
[36] Apollo Hosp, New Delhi, India
[37] King Saud Univ, Obes Chair, New You Med Ctr, Riyadh, Saudi Arabia
[38] St Franziskus Hosp, Dept Bariatr Metab & Plast Surg, Cologne, Germany
[39] Hosp Lusiadas Amadora & Lisbon, Ctr Multidisciplinar Tratamento Obesidade, Amadora, Portugal
[40] Natl Univ Singapore, Singapore, Singapore
[41] Univ Complutense Madrid, Hosp Clin San Carlos, Dept Surg, Calle Prof Martin Lagos S-N, Madrid 28040, Spain
[42] Universitary Hosp Vall Hebron, Endocrine Bariatr & Metab Surg Dept, Barcelona, Spain
[43] Jinan Univ, Dept Metab & Bariatr Surg, Affiliated Hosp 1, Guangzhou, Peoples R China
[44] South Tyneside & Sunderland Fdn NHS Trust, Sunderland, England
[45] SUNY Buffalo, Dept Surg, Buffalo, NY 14260 USA