1. ELSAN, Clinique Saint Michel, Toulon, France.
2. ELSAN, Clinique Bouchard, Marseille, France.
3. Eso-Gastric Surgery Unit, Department of Digestive Surgery, Magellan Center, Bordeaux University Hospital, Pessac, France.
4. Endocrinology, Diabetology & Nutrition Department, University Hospital of Bordeaux, Pessac, France.
5. Bordeaux Medicine University, Bordeaux, France.