Alexandrino G, Carvalho R, Reis J
Hwang JH
Kim Y
Kim YS, Jung SA
Sandhu DS, Fass R
Palmela C, Peerani F, Castaneda , Torres J, Itzkowitz
Cho YK, Kim JW, Kim MY, Cho HJ
Lee YS, Seo YS, Kim JH, Lee J, Kim HR, Yoo YJ, Kim TS, Kang SH, Suh SJ, Joo MK, Jung YK, Lee BJ, Yim HJ, Yeon JE, Kim JS, Park JJ, Um SH, Bak YT, Byun KS
Lim JH, Kim SG, Choi JM, Yang HJ, Kim JS, Jung HC
Kim OZ, Han DS, Park CH, Eun CS, Kim YS, Kim YH, Cheon JH, Ye BD, Kim JS
Taki S, Tamai H, Ida Y, Shingaki N, Kawashima , Shimizu R, Moribata K, Maekita T, Iguchi M, Kato J, Nakao T, Kitano M
Zhang J, Lv S, Liu X, Song B, Shi L
Shah SC, Itzkowitz , Jandorf L
Okimoto K, Arai M, Ishigami H, Saito K, Minemura S, Maruoka D, Matsumura , Nakagawa T, Katsuno T, Suzuki M, Nakatani Y, Yokosuka O
Lee JW, Kim YT, Lee SH, Son JH, Kang JW, Ryu JK, Jang DK, Paik WH, Lee BS
Myint T, Miftahussurur M, Vilaichone Rk, Ni N, Aye TT, Subsomwong P, Uchida T, Mahachai V, Yamaoka Y
Gweon TG, Park JH, Kim BW, Choi YK, Kim JS, Park SM, Kim CW, Kim HG, Chung JW, Incheon and Western Kyonggi Gastrointestinal Study Group