^○Yuki Imaoka, Masahiro Ohira, Takuya Yano, Ryosuke Nakano, Naoki Tanimine, Seiichi Shimizu, Shintaro Kuroda, Hiroyuki Tahara, Tsuyoshi Kobayashi, Hideki Ohdan (Department of Gastroenterological and Transplant Surgery, Applied Life Sciences, Institute of Biomedical & Health Sciences, Hiroshima University, Hiroshima, Japan)