1. Endocrine, Metabolic and Bariatric Unit, General Surgery Department, Universitary Hospital Vall d’Hebron, Center of Excellence for the EAC-BC, Barcelona, Spain
2. Department of Endocrinology, Universitary Hospital Vall d’Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain
3. Diabetes and Metabolism Research Unit (VHIR), Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), ISCIII, Barcelona, Spain