Kazumi Yamasaki*, Mayumi Tomohiro, Yumiko Nagao, Michio Sata, Toshiaki Shimoda, Kazuhiro Hirase and Satoshi Shirahama
* Corresponding author: Kazumi Yamasaki rsr03768@nifty.com
BMC Gastroenterology 2012, 12:139 doi:10.1186/1471-230X-12-139