1 Gastroenterology and Endoscopy Unit, Fondazione Istituto G. Giglio, Contrada Pietra Pollastra Pisciotto, 90015 Cefalù, Italy; Euro-Mediterranean Institute of Science and Technology (IEMEST), 90100 Palermo, Italy. Electronic address: [email protected].
2 Gastroenterology Unit, Azienda Ospedaliera di Cosenza, Via Migliori 1, 87100 Cosenza, Italy.
3 Oncology Unit, Fondazione Istituto G. Giglio, Contrada Pietra Pollastra Pisciotto, 90015 Cefalù, Italy.
4 Gastroenterology Unit, Department of Medicine, "Vito Fazzi" Hospital, Lecce, Italy.
5 Gastroenterology Unit, Università degli studi di Cagliari, Italy.
6 Oncology Unit, Ospedale Santa Chiara, Trento, Italy.
7 Division of Gastroenterology and Hepatology, Department of Medicine, University of Calgary, Calgary T2N 4Z6, Canada.
8 Gastroenterology and Digestive Endoscopy Unit, Forlì-Cesena, Azienda U.S.L. Romagna, Ospedale G.Morgagni-L.Pierantoni, Via C Forlani 34, Forli, Ospedale M.Bufalini, Viale G.Ghirotti 200868, Cesena, Italy.
9 Digestive Endoscopy Unit, Humanitas Research Hospital, Milan, Italy.