1. Department of Cardiovascular Medicine, Niigata University Graduate School of Medical and Dental Sciences
2. Department of Cardiology, Niigata Cancer Center Hospita
3. Division of Internal Medicine, Niigata Bandai Hospital
4. Division of Internal Medicine, Niigata Minami Hospital
5. Department of Cardiology, Niigata City General Hospital
6. Division of Internal Medicine, Misono Hospital
7. Division of Cardiology, Kuwana Hospital
8. Clinical and Translational Research Center, Niigata University Medical and Dental Hospital