Jin Hee Noh
(Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea)
;
Do Hoon Kim
(Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea)
;
Kee Wook Jung
(Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea)
;
Hee Kyong Na
(Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea)
;
Ji Yong Ahn
(Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea)
;
Jeong Hoon Lee
(Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea)
;
Kee Don Choi
(Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea)
;
Ho June Song
(Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea)
;
Gin Hyug Lee
(Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea)
;
Hwoon-Yong Jung
(Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea)