a3rd Academic Department of Internal Medicine, GI Unit, University of Athens, Sotiria Hospital

bDepartment of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens

cGastroenterology Department, Alexandra General Hospital, Athens, Greece

dGI Department General Hospital Nikaias-Piraeus Agios Panteleimon- General Hospital Dytikis Attikis Agia Varvara

Received 27 August 2022 Accepted 15 January 2023.

Correspondence to Giorgos Bamias, MD, PhD, University of Athens, Sotiria Hospital, ‘Sotiria’ Hospital Mesogeion 152, 11527, Tel: +30 210 776 3297; e-mail: [email protected]