Authors: Soo Jung Park; Jin Hong Kim; Jae Chul Hwang; Ho Gak Kim; Don Haeng Lee; Seok Jeong; Sang-Woo Cha; Young Deok Cho; Hong Ja Kim; Jong Hyeok Kim; Jong Ho Moon; Sang-Heum Park; Takao Itoi; Hiroyuki Isayama; Hirofumi Kogure; Se Joon Lee; Kyo Tae Jung; Hye Sun Lee; Todd H Baron; Dong Ki Lee Journal: Dig Dis Sci Date: 2012-12-08 Impact factor: 3.199