1 ELSAN, Clinique Bouchard, Marseille, France; ELSAN, Clinique Saint Michel, Toulon, France.
2 ELSAN, Clinique Orangerie, Strasbourg, France.
3 Chicago Institute of Advanced Surgery, University of Illinois, Chicago, Illinois.
4 ELSAN, Clinique Saint Michel, Toulon, France; Universitat Autònoma de Barcelona, Barcelona, Spain; Endocrine, Metabolic and Bariatric Unit, General Surgery Department, Hospital Vall d'Hebron, Barcelona, Spain.
5 Provita Clinic, Bucharest, Romania.
6 Universitat Autònoma de Barcelona, Barcelona, Spain; Endocrine, Metabolic and Bariatric Unit, General Surgery Department, Hospital Vall d'Hebron, Barcelona, Spain.
7 Hospital San Rafael, Clinica Obesitas, Madrid, Spain.
8 Hospitales San Roque Maspalomas, Canary Islands, Spain.
9 ELSAN, Clinique Bouchard, Marseille, France; Emirates Specialty Hospital, Dubai, United Arab Emirates.
10 ELSAN, Clinique Saint Michel, Toulon, France.
11 ELSAN, Clinique Saint Michel, Toulon, France; Department of Digestive and Bariatric Surgery, Clinica Madonna della Salute, Porto Viro, Italy.