Jae Chul Hwang, Jin Hong Kim*, Sun Gyo Lim, Soon Sun Kim, Sung Jae Shin, Kee Myung Lee and Byung Moo Yoo
* Corresponding author: Jin Hong Kim jinhkim@ajou.ac.kr
BMC Gastroenterology 2013, 13:15 doi:10.1186/1471-230X-13-15