[1] Osaka City Univ, Premier Prevent Med, Osaka, Japan
[2] Osaka City Univ, Resp Med, Osaka, Japan
[3] Kinki Univ, Fac Med, Biostat, Osaka, Japan
[4] Kurashiki Cent Hosp, Kurashiki, Okayama, Japan
[5] Yokohama Med Ctr, Gen Thorac Surg, Yokohama, Kanagawa, Japan
[6] Osaka Univ, Grad Sch Med, Dept Resp Med Allergy & Rheumat Dis, Suita, Osaka, Japan
[7] Nagoya Med Ctr, Nagoya, Aichi, Japan
[8] Nagoya City Univ, Resp Med Allergy & Clin Immunol, Nagoya, Aichi, Japan
[9] Osaka City Univ, Clin Oncol, Osaka, Japan
[10] Kurashiki Cent Hosp, Dept Resp Med, Kurashiki, Okayama, Japan
[11] Tochigi Canc Ctr, Utsunomiya, Tochigi, Japan
[12] Kinki Univ, Fac Med, Med Oncol, Osaka, Japan
[13] Shizuoka Canc Ctr, Thorac Oncol, Shizuoka, Japan
[14] Niigata Canc Ctr Hosp, Internal Med, Niigata, Japan
[15] Kanazawa Univ, Canc Res Inst, Kanazawa, Ishikawa, Japan
[16] West Japan Oncol Grp, Data Ctr, Osaka, Japan
[17] Wakayama Med Coll, Dept Internal Med 3, Wakayama, Japan
[18] Kyushu Univ, Res Inst Dis Chest, Fukuoka, Fukuoka, Japan