1. Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
2. Department of Cardiology, Saiseikai Central Hospital
3. Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
4. Department of General Internal Medicine 3, Kawasaki Medical School
5. Division of Cardiovascular Medicine, Department of Internal Medicine, Kurume University School of Medicine
6. Biostatistics Center, Kurume University
7. Caress Sapporo Hokko Memorial Clinic
8. Department of Cardiovascular Medicine, Juntendo University Graduate School of Medicine
9. Innovation and Research Support Center, International University of Health and Welfare
10. Graduate School, International University of Health and Welfare
11. Hirakata Kohsai Hospital, Department of Cardiology
12. Jichi Medical University