1) Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
2) Okayama University Hopspital, Minimally Invasive Therapy Center, Okayama, Japan

Shunsuke Kagawa¹⁾²⁾, Masashi Yoshimoto¹⁾, Atene Ito¹⁾, Hiroki Kajioka¹⁾, Shuichi Sakamoto¹⁾, Kazuya Kuwada¹⁾, Ryuichi Yoshida¹⁾, Kazuhiro Noma¹⁾, Yuzo Umeda¹⁾, Satoru Kikuchi¹⁾²⁾, Shinji Kuroda¹⁾, Shuya Yano¹⁾, Kunitoshi Shigeyasu¹⁾²⁾, Fuminori Teraishi¹⁾²⁾, Hiroshi Tazawa¹⁾, Toshiyoshi Fujiwara¹⁾