1. The Committee on Immunization and Infectious Diseases, Japan Pediatric Society, Japan
2. Department of Pediatrics, St. Marianna University School of Medicine, Kawasaki, Japan
3. Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
4. Division of Infectious Diseases, Department of Medical Subspecialties, National Center for Child Health and Development, Tokyo, Japan
5. Department of Pediatrics, Kawasaki Medical School, Okayama, Japan
6. Center for Surveillance, Immunization, and Epidemiologic Research, National Institute of Infectious Diseases, Tokyo, Japan
7. Department of Pediatric Emergency, Osaka City General Hospital, Osaka, Japan
8. Department of Infectious Diseases, Chiba University, Medical Mycology Research Center, 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 Pediatrics, Saitama Medical Center, Saitama, Japan
13. Infectious Disease Center and Department of Clinical Research, National Hospital Organization Mie National Hospital, Mie, Japan
14. Department of Pediatrics, Sapporo Medical University School of Medicine, Hokkaido, Japan
15. Department of Pediatrics, Konan Kosei Hospital, Aichi, Japan
16. Department of Pediatrics, Chiba University Hospital, Chiba, Japan
17. Fujioka Pediatric Clinic, Osaka, Japan
18. Department of Pediatrics, Fukushima Medical University, Fukushima, Japan
19. Department of Pediatric infectious diseases and immunology, Fukuoka Children’s Hospital, Fukuoka, Japan
20. Department of Pediatrics, Hamamatsu University School of Medicine, Shizuoka, Japan
21. Fukuoka-city Social Welfare Agency, Fukuoka, Japan
22. Department of Pediatrics, Aichi Medical University, Aichi, Japan
23. Department of Pediatrics, Fujita Health University School of Medicine, Aichi, Japan
24. Department of Pediatrics, Kanazawa University, Ishikawa, Japan
25. Department of Pediatrics, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan