1Department of Gastroenterology, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon, Korea.
2Department of Gastroenterology, National Cancer Center, Goyang, Korea.
3Department of Gastroenterology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
4Department of Gastroenterology, Catholic University of Daegu School of Medicine, Daegu, Korea.
5Digestive Disease Center, CHA Bundang Medical Center, CHA University, Seongnam, Korea.
Copyright © 2015 Korean Society of Gastrointestinal Endoscopy
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