1. Endocrine, Metabolic and Bariatric Unit, Vall d'Hebron University Hospital, Center of Excellence for the EAC-BC, Universitat Autònoma de Barcelona, Barcelona, Spain.
2. ELSAN Clinic, Surgery Department, Clinique Saint Michel, Av. D'orient, Toulon, France.
3. Department of Medicine, Federal University of Rondonia, Rondonia, Brazil.
4. Department of Endocrinolgy and Nutrition and Vall d'Hebron University Hospital, Center of Excellence for the EAC-BC, Universitat Autònoma de Barcelona, Barcelona, Spain.
5. Department of General Surgery, Vall d'Hebron University Hospital, Center of Excellence for the EAC-BC, Universitat Autònoma de Barcelona, Barcelona, Spain.