Unit of Gastroenterology and Digestive Endoscopy,General Hospital of Sanremo,18038 Sanremo,Italy;
Unit of Gastroenterology,Department of Medical and Surgical Sciences,S.Orsola-Malpighi Hospital,University of Bologna,40138 Bologna,Italy;
Division of Gastroenterology and Hepatology,University of North Carolina,Chapel Hill,NC 27599,United States;
Unit of Digestive Endoscopy,San Paolo Hospital,20142 Milano,Italy;
Endoscopy Unit,University Hospital“G.Martino”,98125 Messina,Italy;
Department of Surgery,Unit of Hepatobiliopancreatic and Digestive Surgery,San Paolo Hospital,University of Milan,20142 Milano,Italy;
Biliary; stent; Pancreatic; stent; Endoscopicretrograde; cholangiopancreatography; Self-expandable; metal; stent; Endoscopic; ultrasonography;