1. Department of Cardiology, Keio University School of Medicine
2. Department of Nuclear Medicine, Saitama Medical University International Medical Center
3. Division of Cardiovascular Medicine, Department of Internal Medicine, Toho University Faculty of Medicine
4. Department of Cardiac Surgery, University of International Health and Welfare, Narita Hospital
5. Department of Cardiology, Saitama Medical University International Medical Center
6. Department of Cardiology, Tokyo Dental College, Ichikawa General Hospital