1. The Committee on Immunization and Infectious Diseases Japan Pediatric Society Tokyo Japan
2. Department of Pediatrics St. Marianna University School of Medicine Kawasaki Japan
3. Department of Nursing Fukuoka Nursing College Fukuoka Japan
4. Center for Surveillance, Immunization, and Epidemiologic Research National Institute of Infectious Diseases Tokyo Japan
5. Department of Pediatrics Kawasaki Medical School Okayama Japan
6. Center for Field Epidemic Intelligence, Research and Professional Development National Institute of Infectious Diseases Tokyo Japan
7. Department of Pediatric emergency Osaka City General Hospital Osaka Japan
8. Department of Infectious Diseases Medical Mycology Research Center Chiba University Chiba Japan
9. Department of Infectious Diseases National Cancer Center Hospital Tokyo Japan
10. Department of Pediatrics Japanese Red Cross Nagoya First Hospital Aichi Japan
11. Kawasaki City Institute for Public Health Kanagawa Japan
12. Department of Pediatric Neurology Fukuoka Children’s Hospital Fukuoka Japan
13. Department of Pediatrics Nakatsu Municipal Hospital Oita Japan
14. Department of Clinical Research Infectious Disease Center National Hospital Organization Mie National Hospital Mie Japan
15. Department of Pediatrics Sapporo Medical University School of Medicine Hokkaido Japan
16. Department of Pediatrics Konan Kosei Hospital Aichi Japan
17. Department of Pediatrics Chiba University Hospital Chiba Japan
18. Fujioka Pediatric Clinic Osaka Japan
19. Department of Pediatrics Fukushima Medical University Fukushima Japan
20. Department of Pediatric infectious diseases and immunology Fukuoka Children's Hospital Fukuoka Japan
21. Mine Pediatric Clinic Saitama Japan
22. Division of Infectious Diseases National Center for Child Health and Development Tokyo Japan
23. Fukuoka‐city Social Welfare Agency Fukuoka Japan
24. Department of Pediatrics and Child Health Nihon University School of Medicine Tokyo Japan
25. Department of Pediatrics Aichi Medical University Aichi Japan
26. Department of Pediatrics Fujita Health University School of Medicine Aichi Japan
27. Department of Pediatrics Kanazawa University Ishikawa Japan
28. Department of Pediatrics Asahikawa Medical University Hokkaido Japan
29. Department of Pediatrics University of Occupational and Environmental Health Kitakyushu Japan
30. Department of Pediatrics Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
31. Department of Pediatrics Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan