TAKUYA MORI, HIROAKI TANAKA, SOTA DEGUCHI, YUICHIRO MIKI, MAMI YOSHII, TATSURO TAMURA, TAKAHIRO TOYOKAWA, SHIGERU LEE, KAZUYA MUGURUMA and MASAICHI OHIRA
Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan