by 유기원, Gee Won Yoo, 박경규, Gyung Gyu Park, 문철, Chul Moon, 허경열, Gyung Yeol Hur, 장용석, Yong Suk Jang, 김재준, Jae Joon Kim, 송영식, Young Sik Song, 이민혁, Min Hyuk Lee
Published in The Korean journal of gastroenterology (01.01.2000)