1. Gastrointestinal Surgery Department; Digestive and Metabolic Diseases Institute; Hospital Clínic; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd); Barcelona Catalonia Spain
2. Section of Colon and Rectal Surgery; Department of Surgery; Hospital del Mar Medical Research Institute (IMIM); Hospital del Mar; Barcelona Catalonia Spain
3. Biostatistics and data Management Platform; Hospital Clínic. IDIBAPS; Barcelona Catalonia Spain
4. Neurology Deparment; Hospital Clínic. IDIBAPS; Barcelona Catalonia Spain
5. Urogynecology Unit; Clinical Institute of Gynecology, Obstetrics and Neonatology; Hospital Clínic; Barcelona Catalonia Spain