1. Department of Perinatology and Gynecology, National Cerebral and Cardiovascular Center
2. Department of Cardiology, National Cerebral and Cardiovascular Center
3. Department of Pathology, National Cerebral and Cardiovascular Center
4. Division of Functional Diagnostics, Department of Health Sciences, Osaka University Graduate School of Medicine
5. Department of Cardiology, Nagoya University Graduate School of Medicine
6. Sakakibara Heart Institute