1. Bariatric and Metabolic Surgery Unit, Service of General and Gastrointestinal Surgery; University Hospital of Bellvitge-IDIBELL; Barcelona Spain
2. CIBER Fisiopatologia Obesidad y Nutrición (CIBERobn); Instituto de Salud Carlos III; Barcelona Spain
3. Department of Psychiatry; University Hospital of Bellvitge-IDIBELL; Barcelona Spain
4. Department of Psychobiology and Methodology; Autonomous University of Barcelona; Spain
5. Department of Endocrinology and Nutrition; University Hospital of Bellvitge-IDIBELL; Barcelona Spain
6. CIBERDEM-CIBER de Diabetes y Enfermedades Metabólicas Asociadas; Instituto de Salud Carlos III; Madrid Spain
7. Clinical Sciences Department, School of Medicine; University of Barcelona; Spain
8. Dietetics and Nutrition Unit; University Hospital of Bellvitge; Barcelona Spain
9. Pneumology Department; University Hospital of Bellvitge; Barcelona Spain
10. CIBER Enfermedades Respiratorias (CibeRes) (CB06/06); Spain
11. CIBER de Salud Mental (CIBERSAM); Instituto de Salud Carlos III; Barcelona Spain