Affiliation: | Benedetto Mangiavillano, Unit of Gastroenterology and Digestive Endoscopy, General Hospital of Sanremo, 18038 Sanremo, Italy;Nico Pagano, Unit of Gastroenterology, Department of Medical and Surgical Sciences, S. Orsola-Malpighi Hospital, University of Bologna, 40138 Bologna, Italy;Todd H Baron, Division of Gastroenterology and Hepatology, University of North Carolina, Chapel Hill, NC 27599, United States;Carmelo Luigiano, Unit of Digestive Endoscopy, San Paolo Hospital, 20142 Milano, Italy |