Division of Gastroenterology, Department of Internal Medicine, Jeonbuk National University Medical School; Division of Gastroenterology, Department of Internal Medicine, Jeonbuk National University Hospital, Jeonju, Korea
Sang Wook Kim
Division of Gastroenterology, Department of Internal Medicine, Jeonbuk National University Medical School; Division of Gastroenterology, Department of Internal Medicine, Jeonbuk National University Hospital, Jeonju, Korea