*Taisei Tosaki¹, Eiichiro Uchino¹, Ryosuke Kojima¹, Youhei Mineharu¹, Mikio Arita², Nobuyuki Miyai², Yoshinori Tamada³, Tatsuya Mikami³, Koichi Murashita³, Shigeyuki Nakaji³, Yasushi Okuno¹ (1. Kyoto University, 2. Wakayama Medical University, 3. Hirosaki University)