1. Department of Cardiovascular Medicine, Shiga University of Medical Science
2. Department of Pediatric Cardiology, Osaka Women’s and Children’s Hospital
3. Department of Pediatrics, Toyama Prefectural Central Hospital
4. Division of Pediatric Electrophysiology, Osaka City General Hospital
5. Department of Pediatric Cardiology, Hyogo Prefectural Amagasaki Hospital
6. Department of Pediatrics, University of Yamanashi, Faculty of Medicine
7. Department of Pediatrics, Teine Keijinkai Hospital
8. Department of Pediatrics, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
9. Department of Pediatrics, Fukushima Medical University School of Medicine
10. Division of Pediatric Cardiology, Department of Pediatrics, Kyushu Hospital, Japan Community Healthcare Organization
11. Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine
12. Department of Bioscience and Genetics, National Cerebral and Cardiovascular Center