1 Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy.
2 University of Crete, Heraklion, Greece; Coordinator, 4th Local Primary Care Team (TOMY), Municipality Practice, Academic Practice of Heraklion, Greece.
3 Department of Internal Medicine, Diakonie Klinikum Jung-Stilling Hospital, Siegen, Germany.
4 Faculty of Medical Sciences, University of Newcastle, Newcastle upon Tyne, UK.
5 La Mina Primary Care Academic Centre, Catalan Institute of Health, University of Barcelona, Barcelona, Spain.