[1] Meisei Hosp, Nippon Med Sch, Tokyo, Japan
[2] Kanagawa Cardiovasc & Resp Ctr, Kanagawa, Japan
[3] NHO KinkiChuo Chest Med Ctr, OATA Osaka Fukujuji Hosp, Osaka, Japan
[4] Tosei Hosp, Aichi, Japan
[5] Toho Univ, Tokyo, Japan
[6] Nippon Boehringer Ingelheim Co Ltd, Tokyo, Japan
[7] EPS Corp, Tokyo, Japan
[8] Nerima Hikarigaoka Hosp, Tokyo, Japan
[9] Tohoku Univ, Miyagi, Japan