1 Osaka City General Hospital,Osaka,Japan
Yuhei Sakata, Nahoko Kushiyama, Akio Nakahira, Kei Yamamoto, Yu Yasui, Tadashi Ochiai, Kenichi Nakahara, Naoto Hirata, Takehisa Suekane, Satoshi Sugimori, Tomoaki Yamasaki, Hiroko Nebiki