1. Gastroenterology Unit, Mauriziano Hospital, Turin, Italy
2. IBD Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
3. Università Cattolica del Sacro Cuore, Rome, Italy
4. Humanitas Research Hospital, Milan, Italy
5. Clinical Unit for Chronic Bowel Disorders, Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
6. I&I Medical Advisor, Pfizer srl, Rome, Italy
7. IBD Unit, Division of Internal Medicine, “Villa Sofia-Cervello” Hospital, Palermo, Italy
8. IBD Unit, S. Filippo Neri Hospital, Rome, Italy
9. Gastroenterology Section, Department of Emergency and Organ Transplantation, University of Bari Aldo Moro, Bari 70124, Italy
10. IBD Unit, Department of Medicine and Surgery (DIMEC), University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
11. Department of Life, Health, and Environmental Sciences, University of L’Aquila, L’Aquila, Italy