[1] St Marianna Univ, Div Resp Dis, Dept Internal Med, Sch Med, Kawasaki, Kanagawa, Japan
[2] Kyorin Univ, Mitaka, Tokyo, Japan
[3] Hirosaki Univ, Hirosaki, Aomori, Japan
[4] Showa Univ, Northern Yokohama Hosp, Tokyo, Japan
[5] Natl Canc Ctr Hosp, Kashiwa, Chiba, Japan
[6] Keio Univ, Minato City, Japan
[7] Hirosaki Hosp, Hirosaki, Aomori, Japan
[8] Kitasato Univ, Minato City, Japan
[9] Jikei Univ, Hosp 3, Tokyo, Japan
[10] Okayama Red Cross Hosp, Okayama, Japan
[11] Saitama Cardiovasc & Resp Ctr, Saitama, Japan
[12] Nihon Univ, Chiyoda City, Japan
[13] Mito Med Ctr, Ibaraki, Japan
[14] Tokyo Womens Med Univ, Tokyo, Japan
[15] Hoshigaoka Med Ctr, Hirakata, Osaka, Japan
[16] Kawasaki Med Sch, Kawasaki, Kanagawa, Japan
[17] Natl Inst Adv Ind Sci & Technol, Tokyo, Japan
[18] Teikyo Univ, Mizonokuti Hosp, Kawasaki, Kanagawa, Japan
[19] Teikyo Univ, Tokyo, Japan