RYOTA OTSUKA, HARUHITO SAKATA, KENTARO MURAKAMI, MASAYUKI KANO, SATOSHI ENDO, TAKESHI TOYOZUMI, YASUNORI MATSUMOTO, HIROSHI SUITO, MASAHIKO TAKAHASHI, NOBUFUMI SEKINO, SOICHIRO HIRASAWA, KAZUYA KINOSHITA, TAKUMA SASAKI and HISAHIRO MATSUBARA
Department of Frontier Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan