[1] Juntendo Univ, Fac Med, Dept Resp Med, Tokyo, Japan
[2] Natl Canc Ctr Hosp East, Dept Thorac Oncol, Kashiwa, Chiba, Japan
[3] Natl Canc Ctr, Div Canc Immunol, Kashiwa, Chiba, Japan
[4] Osaka Police Hosp, Dept Resp Med, Osaka, Japan
[5] Natl Hosp Org Toneyama Natl Hosp, Dept Thorac Oncol, Toyonaka, Osaka, Japan
[6] Kurashiki Cent Hosp, Dept Resp Med, Kurashiki, Okayama, Japan
[7] Asahikawa Med Univ, Resp Ctr, Asahikawa, Hokkaido, Japan
[8] Kanagawa Canc Ctr, Dept Thorac Oncol, Yokohama, Kanagawa, Japan
[9] Showa Univ, Div Med Oncol, Sch Med, Tokyo, Japan
[10] Natl Hosp Org Hirosaki Hosp, Dept Resp Med, Hirosaki, Aomori, Japan
[11] Kanagawa Cardiovasc & Resp Ctr, Dept Resp Med, Yokohama, Kanagawa, Japan
[12] Natl Hosp Org Tokyo Natl Hosp, Ctr Pulm Dis, Tokyo, Japan
[13] Chiba Canc Ctr, Div Respirol, Chiba, Japan
[14] Kagoshima Univ, Grad Sch Med & Dent Sci, Dept Pulm Med, Kagoshima, Japan
[15] Sendai Kousei Hosp, Dept Pulm Med, Sendai, Miyagi, Japan
[16] Nagasaki Prefecture Shimabara Hosp, Dept Resp Med, Shimabara, Japan
[17] Yokohama City Univ Med, Dept Biostat, Yokohama, Kanagawa, Japan