[1] Hamamatsu Univ Sch Med, Dept Internal Med, Div 2, Hamamatsu, Shizuoka, Japan
[2] Toho Univ, Grad Sch Med, Dept Resp Med, Tokyo, Japan
[3] Tokyo Med & Dent Univ, Dept Resp Med, Tokyo, Japan
[4] Kyorin Univ, Sch Med, Dept Resp Med, Tokyo, Japan
[5] Natl Hosp Org Kinki Chuo Chest Med Ctr, Clin Res Ctr, Osaka, Japan
[6] Fukuoka Univ Hosp, Dept Resp Med, Fukuoka, Japan
[7] Tenri Hosp, Dept Resp Med, Tenri, Nara, Japan
[8] Natl Ctr Global Hlth & Med, Dept Resp Med, Tokyo, Japan
[9] Tosei Gen Hosp, Dept Resp Med & Allergy, Seto, Aichi, Japan
[10] Fukushima Med Univ, Dept Pulm Med, Fukushima, Japan
[11] Univ Tokushima, Grad Sch Med Sci, Dept Resp Med & Rheumatol, Tokushima, Japan
[12] Hamamatsu Rosai Hosp, Dept Resp Med, Hamamatsu, Shizuoka, Japan
[13] Seirei Mikatahara Gen Hosp, Resp Dis Ctr, Dept Resp Med, Hamamatsu, Shizuoka, Japan
[14] Iwata City Hosp, Dept Resp Med, Iwata, Japan
[15] Fujieda Municipal Gen Hosp, Dept Resp Med, Fujieda, Shizuoka, Japan
[16] Shizuoka City Shizuoka Hosp, Dept Resp Med, Shizuoka, Japan
[17] Shizuoka Prefectural Gen Hosp, Dept Resp Med, Shizuoka, Japan
[18] Nagasaki Univ, Grad Sch Biomed Sci, Dept Resp Med, Nagasaki, Japan
[19] Juntendo Univ, Grad Sch Med, Dept Resp Med, Tokyo, Japan
[20] Kyushu Univ, Grad Sch Med Sci, Res Inst Dis Chest, Fukuoka, Fukuoka, Japan
[21] Sapporo Med Univ, Sch Med, Dept Resp Med & Allergol, Sapporo, Hokkaido, Japan
[22] Natl Hosp Org Tokyo Natl Hosp, Ctr Pulm Dis, Tokyo, Japan
[23] Nara Med Univ, Dept Resp Med, Nara, Japan
[24] Toranomon Gen Hosp, Dept Resp Med, Resp Ctr, Tokyo, Japan
[25] Japanese Red Cross Shizuoka Hosp, Dept Resp Med, Shizuoka, Japan
[26] Ensyu Hosp, Dept Resp Med, Hamamatsu, Shizuoka, Japan
[27] Natl Hosp Org Tenryu Hosp, Resp & Allergy Med, Hamamatsu, Shizuoka, Japan
[28] Shizuoka City Shimizu Hosp, Resp Med, Shizuoka, Japan