[1] Natl Canc Ctr Hosp East, Kashiwa, Chiba, Japan
[2] Natl Canc Ctr Hosp East, Thorac Oncol, Kashiwa, Chiba, Japan
[3] Natl Canc Ctr, Tokyo, Japan
[4] Hyogo Canc Ctr, Akashi, Hyogo, Japan
[5] St Marianna Univ, Sch Med, Kawasaki, Kanagawa, Japan
[6] Kyoto Univ, Kyoto, Japan
[7] Natl Org Hosp Kyushu Canc Ctr, Fukuoka, Fukuoka, Japan
[8] Keio Univ, Sch Med, Div Pulm Med, Dept Med, Tokyo, Japan
[9] Juntendo Univ, Tokyo, Japan
[10] Kanagawa Canc Ctr, Dept Thorac Oncol, Yokohama, Kanagawa, Japan
[11] Japanese Red Cross Med Ctr, Tokyo, Japan
[12] Okayama Univ Hosp, Okayama, Japan
[13] Kumamoto Univ Hosp, Kumamoto, Japan
[14] Jichi Med Univ Saitama Med Ctr, Div Pulm Med Clin, Dept Internal Med, Saitama, Japan
[15] Kobe City Med Ctr Gen Hosp, Kobe, Hyogo, Japan
[16] Kanagawa Cardiovasc & Resp Ctr, Yokohama, Japan