1. Department of Cardiology Gifu Prefectural Tajimi Hospital Tajimi Gifu Japan
2. Department of Cardiology Tosei General Hospital Seto Aichi Japan
3. Department of Cardiology Kumiai Kosei Hospital Takayama Gifu Japan
4. Department of Cardiology Nagoya University Hospital Nagoya Aichi Japan
5. Department of Cardiology Japanese Red Cross Aichi Medical Center Nagoya Daiichi Hospital Nagoya Aichi Japan