Edited by John Vargo, MD, MPH, Chairman, Department of Gastroenterology and Hepatology, Pier C. and Renee A.
Borra Family Endowed Chair in Gastroenterology and Hepatology; Vice Chairman,
Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland Clinic Foundation,
Cleveland, Ohio and Sunguk N. Jang, MD, Staff Physician
Department of Gastroenterology, Hepatology & Nutrition