[1] Saiseikai Kumamoto Hosp, Div Resp Med, 5-3-1 Chikami,Minami Ku, Kumamoto 8614193, Japan
[2] Chiba Univ, Grad Sch Med, Dept Respirol, 1-8-1 Inohana,Chuo Ku, Chiba, Chiba 2608670, Japan
[3] Kumamoto Univ Hosp, Dept Resp Med, 1-1-1 Honjo,Chuo Ku, Kumamoto 8608556, Japan
[4] Aichi Canc Ctr Hosp, Dept Thorac Oncol, 1-1 Kanokoden,Chikusa Ku, Nagoya, Aichi 4648681, Japan
[5] Fujita Hlth Univ, Sch Med, Dept Resp Med, Kutsukake Cho, Toyoake, Aichi 4701192, Japan
[6] Osaka Int Canc Inst, Dept Thorac Oncol, 3-1-69 Otemae,Chuo Ku, Osaka, Osaka 5418567, Japan
[7] Osaka Habikino Med Ctr, Dept Thorac Oncol, 3-7-1 Habikino, Habikino, Osaka 5838588, Japan
[8] Wakayama Med Univ, Internal Med 3, 811-1 Kimiidera, Wakayama, Wakayama 6418509, Japan
[9] Osaka City Gen Hosp, Dept Med Oncol, 2-13-22 Miyakojima Hondori,Miyakojima Ku, Osaka 5340021, Japan
[10] Kurashiki Cent Hosp, Dept Resp Med, 1-1-1 Miwa, Kurashiki, Okayama 7108602, Japan
[11] Hyogo Prefectural Amagasaki Gen Med Ctr, Dept Resp Med, 2-17-77 Higashinaniwa, Amagasaki, Hyogo 6608550, Japan
[12] Hyogo Med Univ, Dept Resp Med & Hematol, Sch Med, 1-1 Mukogawa Cho, Nishinomiya, Hyogo 6638501, Japan
[13] Kobe City Med Ctr Gen Hosp, Dept Resp Med, 2-1-1 Minatojimaminami,Chuo Ku, Kobe, Hyogo 6500047, Japan
[14] Natl Hosp Org Osaka Toneyama Med Ctr, Dept Thorac Oncol, 5-1-1 Toneyama, Toyonaka, Osaka 5608552, Japan
[15] Tohoku Univ, Grad Sch Med, Dept Resp Med, 1-1 Seiryo,Aoba Ku, Sendai, Miyagi 9808574, Japan
[16] Kumamoto City Hosp, Div Resp Med, 1-5-1 Tainoshima,Minami Ku, Kumamoto 8620965, Japan
[17] Kimitsu Chuo Hosp, Dept Resp Med, 1010 Sakurai, Kisarazu, Chiba 2928535, Japan
[18] Saiseikai Utsunomiya Hosp, Dept Internal Med, 911-1 Takebayashi, Utsunomiya, Tochigi 3210974, Japan
[19] Kumamoto Rosai Hosp, Dept Resp Med, Japan Org Occupat Hlth & Safety, 1670 Takehara, Yatsushiro, Kumamoto 8668533, Japan
[20] Itami City Hosp, Dept Resp Med, 1-100 Koyaike, Itami, Hyogo 6648540, Japan
[21] Kumamoto Reg Med Ctr, Dept Resp Med, 5-16-10 Honjo,Chuo Ku, Kumamoto 8600811, Japan
[22] Kumamoto Univ Hosp, Dept Clin Invest Biostat, 1-1-1 Honjo,Chuo Ku, Kumamoto 8608556, Japan