^○Akihiro Aoyama, Tetsu Yamada, Masaaki Sato, Toshi Menju, Toshihiko Sato, Fengshi Chen, Makoto Sonobe, Mitsugu Omasa, Hiroshi Date (Thoracic Surgery, Kyoto University)

^○Yasuhiro Hida, Kichizo Kaga, Naotake Honma, Hiromitsu Domen, Yuki Yagi, Yoshiro Matsui (Dept. Cardiovascular and Thoracic Surgery, Hokkaido University)

^○Takahiro Nakajima, Shigetoshi Yoshida, Atsushi Hata, Terunaga Inage, Takamasa Yun, Takayoshi Yamamoto, Kazuhisa Tanaka, Toshiko Kamata, Junichi Morimoto, Kaoru Nagato, Hidemi Suzuki, Takekazu Iwata, Ichiro Yoshino (Department of General Thoracic Surgery, Graduate School of Medicine, Chiba University)

^○Masayuki Chida¹, Morimichi Nisihira¹, Ikuma Wakamatsu¹, Takashi Inoue¹, Osamu Araki¹, Yoko Karube¹, Satoru Kobayashi¹, Tetsu Sado¹, Takeshi Oyaizu² (1.Dpt. General Thoracic Surgery, Dokkyo Medical University, 2.Chest Surgery Division, Ohta-nishinouchi Hospital)

^○Toshinari Ema¹, Yu Enomoto² (1.Meirikai Central General Hospital, 2.Itabashi Central Medical Center)