1. Department of General Medicine National Defense Medical College Tokorozawa Japan
2. Department of Cardiovascular Medicine Toho University Tokyo Japan
3. Department of Cardiology Kyorin University Hospital Tokyo Japan
4. Department of Cardiovascular Medicine Tokai University Kanagawa Japan
5. Department of Cardiovascular Medicine Nippon Medical School Tokyo Japan
6. Department of Cardiology and Clinical Examination Faculty of Medicine Oita University Yufu Japan
7. Division of Cardiology Gunma Prefectural Cardiovascular Center Gunma Japan
8. Department of Cardiology Fujita Health University Bantane Hospital Nagoya Japan
9. Division of Cardiovascular Medicine Shin‐Yamanote Hospital Tokyo Japan
10. Department of Cardiology, Pulmonology, and Nephrology Yamagata University School of Medicine Yamagata Japan
11. Department of General Medicine Kanazawa Medical University Himi Municipal Hospital Toyama Japan