[1] Cardiovasc Inst Hosp, Tokyo, Japan
[2] Toyohashi Heart Ctr, Toyohashi, Aichi, Japan
[3] Sanda City Hosp, Sanda, Japan
[4] Shinko Kakogawa Hosp, Kakogawa, Japan
[5] Itabashi Chuo Med Ctr, Tokyo, Japan
[6] Rinku Gen Med Ctr, Otsu, Shiga, Japan
[7] So Tohoku Res Inst Neurosci, Koriyama, Fukushima, Japan