[1] Kyushu Univ, Res Inst Dis Chest, Fukuoka 812, Japan
[2] Kinki Univ, Sch Med, Dept Genome Biol, Osakasayama, Japan
[3] Kurume Univ, Sch Med, Dept Internal Med, Div Respirol Neurol & Rheumatol, Fukuoka, Japan
[4] Kyushu Natl Canc Ctr, Dept Thorac Oncol, Fukuoka, Japan
[5] Shikoku Canc Ctr, Dept Thorac Oncol, Matsuyama, Ehime, Japan
[6] Okayama Univ Hosp, Resp Med, Okayama, Japan
[7] Canc Inst Hosp JFCR, Dept Thorac Med Oncol, Tokyo, Japan
[8] Kansai Med Univ, Dept Internal Med 1, Osaka, Japan
[9] Wakayama Med Univ, Dept Internal Med 3, Wakayama, Japan
[10] Natl Canc Ctr Hosp East, Thorac Oncol, Kashiwa, Chiba, Japan
[11] Miyagi Canc Ctr, Dept Resp Med, Sendai, Miyagi, Japan