[1] Nagoya Univ, Grad Sch Med, Resp Med, Nagoya, Aichi, Japan
[2] Nagoya Univ, Dept Pathophysiol Lab Sci, Grad Sch Med, Nagoya, Aichi, Japan
[3] Nagoya Univ, Grad Sch Med, Nagoya, Aichi, Japan
[4] Univ Texas Southwestern Med Ctr Dallas, Dallas, TX 75390 USA