1. Department of Cardiology, Nagoya University Graduate School of Medicine
2. Division of Cardiovascular Disease, University of Alabama at Birmingham
3. Division of Cardiology, Aichi Prefectural Cardiovascular and Respiratory Center
4. Division of Cardiology, Nagoya Dai-ni Red Cross Hospital, Cardiovascular Center
5. Division of Cardiology, Chukyo Hospital
6. Nagoya University School of Health Sciences