ENDOSCOPY: Edited by Anthony N. Kalloo
Division of Gastroenterology & Hepatology, The Johns Hopkins Hospital, Baltimore, Maryland, USA
Correspondence to Anthony N. Kalloo, MD, Professor of Medicine, Division of Gastroenterology & Hepatology, The Johns Hopkins Hospital, 600 N. Wolfe Street, Blalock 465, Baltimore, MD 21287, USA. E-mail: [email protected]
doi: 10.1097/MOG.0000000000000666