Penulis: Sunanda V. Kane

Editor-in-Chief: Nicholas J. Talley, MD, Ph D, Chair, Department of Internal Medicine, Mayo Clinic College of Medicine, Jacksonville, Florida, USA Associate editors: Sunanda V. Kane, MD, MSPH, Associate Professor of Medicine, Miles and Shirley Fitterman Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, MN, USA Michael B. Wallace, MD, MPH, Associate Professor of Medicine, Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, FL, USA