[1] Yokohama Municipal Citizens Hosp, Dept Palliat Med, Yokohama, Kanagawa 2408555, Japan
[2] Kyoto Prefectural Univ Med, Dept Biostat, Kyoto, Kyoto 6028566, Japan
[3] Inst Biomed Res & Innovat, Div Integrated Oncol, Kobe, Hyogo 6500047, Japan
[4] Osaka City Gen Hosp, Div Med Oncol, Osaka, Osaka 5340021, Japan
[5] Kyoto Prefectural Univ Med, Dept Pulm Med, Kyoto, Kyoto 6028566, Japan
[6] Gifu Municipal Hosp, Div Resp Med & Oncol, Gifu, Gifu 5008513, Japan
[7] Aichi Hosp, Aichi Canc Ctr, Dept Resp Med, Okazaki, Aichi 4440011, Japan
[8] Natl Hosp Org Hokkaido Canc Ctr, Dept Resp Med, Sapporo, Hokkaido 0030804, Japan
[9] Toneyama Natl Hosp, Dept Resp Med, Toyonaka, Osaka 5600045, Japan
[10] Tokai Univ, Sch Med, Div Hematol Oncol, Isehara, Kanagawa 2591193, Japan
[11] Shizuoka Canc Ctr, Clin Trial Coordinat Off, Shizuoka, Shizuoka 4118777, Japan
[12] Chuo Univ, Dept Integrated Sci & Engn Sustainable Soc, Tokyo 1128551, Japan
[13] Teikyo Univ, Sch Med, Med Oncol, Tokyo 1738606, Japan