Surgery Department, University of Palermo, Italy, Palermo, Italy
Sezione di Gastroenterologia, Di.Bi.M.I.S. AOUP Paolo Giaccone, University of Palermo, Italy, Palermo, Italy
University of Palermo, Palermo, PA, Italy
Azienda Ospedaliero Universitaria Policlinico, Palermo, Italy/Sicily, Italy
GF Ingrasasia Hospital, Palermo, Italy
Department of Internal and Specialty Medicine, Palermo, Italy
Gaspare PArrinello, Palermo, Italy