Ming-Ju Hsieh, Kuang-Ping Lan, Hao-Yu Liu, Xiao-Zong Zhang, Yaw-Feng Lin, Tzy-Yen Chen* and Hui-Ling Chiou*
* Corresponding authors: Tzy-Yen Chen cshy042@csh.org.tw - Hui-Ling Chiou hlchiou@csmu.edu.tw
BMC Gastroenterology 2012, 12:74 doi:10.1186/1471-230X-12-74