[1] Niigata Univ, Med & Dent Hosp, Niigata, Japan
[2] NHO Kinki Chuo Chest Med Ctr, Osaka, Japan
[3] Chiba Univ, Grad Sch Med, Chiba, Japan
[4] Natl Ctr Global Hlth & Med, Tokyo, Japan
[5] Tohoku Univ, Grad Sch Med, Sendai, Miyagi, Japan
[6] Kurashiki Munichipal Hosp, Kurashiki, Okayama, Japan
[7] Kitasato Univ, Sch Allied Hlth Sci, Kanagawa, Japan
[8] Juzenkai Hosp, Nagasaki, Japan
[9] Nippon Med Sch, Tokyo, Japan
[10] Niigata Univ, Grad Sch Med & Dent Sci, Niigata, Japan
[11] Kyorin Univ, Sch Med, Tokyo, Japan
[12] Nagasaki Univ, Inst Trop Med, Nagasaki, Japan
[13] Hokkaido Univ, Sch Med, Sapporo, Hokkaido, Japan
[14] Aichi Med Univ, Sch Med, Nagakute, Aichi, Japan