1) Hepato-Biliary-Pancreatic Surgery Division, Artificial Organ and Transplantation Surgery Division, Department of Surgery, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
2) National Center for Global Health and Medicine, Tokyo, Japan

Kiyoshi Hasegawa¹⁾, Junichi Arita¹⁾, Takashi Kokudo¹⁾, Yoshikuni Kawaguchi¹⁾, Kiyohiko Omichi¹⁾, Rihito Nagata¹⁾, Masaru Matsumura¹⁾, Junichi Togashi¹⁾, Suguru Yamashita¹⁾, Nobuhisa Akamatsu¹⁾, Junichi Kaneko¹⁾, Yoshihiro Sakamoto¹⁾, Norihiro Kokudo²⁾