Yoo YJ, Chung SY, Gu DH, Ko GJ, Pyo HJ, Kwon YJ, Bak YT, Won NH
Kim ES, Kim KO, Jang BI, Lee CK, Kim HJ, Lee KM, Kim YS, Eun CS, Jung SA, Yang SK, Lee J, Kim TO, Jung Y, Seo GS, Yoon SM, the IBD Study Group of the Korean Association for the Study of the Intestinal Diseases (KASID)