1. Endocrine, Metabolic and Bariatric Unit, Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Center of Excellence for the EAC-BC, Barcelona, Spain.
2. ELSAN, Clinique St-Michel, Toulon, France.
3. General Surgery Department, Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain.
4. Endocrinology and Nutrition Department, Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Center of Excellence for the EAC-BC, Barcelona, Spain.
5. Department of Medicine, Federal University of Rondônia—UNIR, Porto Velho, Brazil
6. Division of General Surgery, Hospital de Base of Porto Velho, Porto Velho, Brazil.