Seung Jung Yu, Hong Sub Lee , Hyeon Jeong Gung, Ju Seok Kim, Ki Bae Kim, Yong Hwan Kwon, Jae Hak Kim, Hoon Sup Koo, Hyun-Deok Shin, Sam Ryong Jee, Han Byul Lee, Jeehyoung Kim, Hye-Won Park, and IBS Research Study Group of the Korean Society of Neurogastroenterology and Motility |