1. Department of Management and Strategy National Center for Child Health and Development Setagaya‐ku Japan
2. Department of Pediatrics and Child Health Nihon University Itabashi‐ku Japan
3. Department of Pediatrics Wakayama Medical University Wakayama Japan
4. Division of Advanced Medicine for Virus Infections Research Institute National Research Institute for Child Health and Development Tokyo Japan
5. Pediatrics Yokohama City University Graduate School of Medicine Yokohama Japan
6. Pediatrics/Developmental Pediatrics Nagoya University Graduate School of Medicine Nagoya Japan
7. Pediatric Cardiology Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan
8. Pediatric Cardiology Ibaraki Children's Hospital Mito Japan
9. Pediatrics and Child Health Kurume University School of Medicine Kurume Japan
10. Department of Pediatrics Japanese Red Cross Medical Center Tokyo Japan
11. Pediatrics Tsune Family Clinic Kanazawa Japan
12. Public Health Jichi Medical University Shimotsuke Japan
13. Pediatrics Kagoshima City Hospital Kagoshima Japan
14. Pediatrics Tokyo Women's Medical University Yachiyo Medical Center Yachiyo Japan
15. Pediatrics Nippon Medical School Tama City Japan
16. Kawasaki Disease Center Fukuoka Children's Hospital Fukuoka Japan
17. Departments of Pediatrics Toho University School of Medicine Tokyo Japan
18. Pediatrics Dokkyo Medical University Saitama Medical Center Koshigaya Japan
19. Cardiology Tokyo Metropolitan Children's Medical Center Tokyo Japan
20. Pathology Toho University School of Medicine Tokyo Japan