[1] Nagoya City Univ, Grad Sch Med Sci, Dept Oncol Immunol & Surg, Mizuho Ku, 1 Kawasumi,Mizuho Cho, Nagoya, Aichi, Japan
[2] Natl Canc Ctr Hosp East, Div Thorac Surg, Chiba, Japan
[3] Niigata Univ, Grad Sch Med & Dent Sci, Dept Thorac & Cardiovasc Surg, Niigata, Japan
[4] Kurashiki Cent Hosp, Dept Thorac Surg, Kurashiki, Okayama, Japan
[5] Mie Univ, Dept Thorac & Cardiovasc Surg, Grad Sch Med, Tsu, Mie, Japan
[6] Kobe Med Ctr, Dept Gen Thorac Surg, Natl Hosp Org, Kobe, Hyogo, Japan
[7] Kumamoto Univ, Grad Sch Med Sci, Dept Thorac Surg, Kumamoto, Japan
[8] Kinki Chuo Chest Med Ctr, Dept Surg, Natl Hosp Org, Sakai, Osaka, Japan
[9] Shinshu Univ, Dept Thorac Surg, Sch Med, Matsumoto, Nagano, Japan
[10] Sapporo Med Univ, Sch Med, Dept Thorac & Cardiovasc Surg, Sapporo, Hokkaido, Japan
[11] Nagaoka Red Cross Hosp, Dept Thorac Surg, Nagaoka, Niigata, Japan
[12] Nishi Niigata Chuo Natl Hosp, Dept Thorac Surg, Natl Hosp Org, Niigata, Japan
[13] Teikyo Univ, Dept Surg, Sch Med, Tokyo, Japan
[14] Kyoto Univ Hosp, Dept Thorac Surg, Kyoto, Japan
[15] Aichi Canc Ctr Hosp, Dept Thorac Surg, Nagoya, Aichi, Japan
[16] Kanazawa Univ, Dept Gen & Cardiothorac Surg, Kanazawa, Ishikawa, Japan
[17] Kyoto Prefectural Univ Med, Div Thorac Surg, Dept Surg, Kyoto, Japan
[18] Seirei Mikatahara Gen Hosp, Div Thorac Surg, Resp Dis Ctr, Hamamatsu, Shizuoka, Japan
[19] Hokkaido Canc Ctr, Dept Thorac Surg, Sapporo, Hokkaido, Japan
[20] Tenri Hosp, Dept Thorac Surg, Nara, Japan
[21] Yamaguchi Univ, Div Chest Surg, Dept Surg & Clin Sci, Grad Sch Med, Ube, Yamaguchi, Japan
[22] Toho Univ, Dept Chest Surg, Omori Med Ctr, Tokyo, Japan
[23] Chiba Univ, Dept Gen Thorac Surg, Grad Sch Med, Chiba, Japan
[24] Chiba Canc Ctr, Div Thorac Surg, Chiba, Japan
[25] Fukui Red Cross Hosp, Dept Chest Surg, Fukui, Japan
[26] Shizuoka City Shizuoka Hosp, Div Thorac Surg, Shizuoka, Japan
[27] Fukushima Med Univ, Div Chest Surg, Fukushima, Japan