1. Department of Pediatrics, Kagoshima University Hospital, Kagoshima
2. Department of Pediatrics, Shinshu University School of Medicine, Matsumoto
3. Department of Pediatrics, Kyoto Prefectural University of Medicine, Kyoto
4. Division of Rheumatology and Allergology, Department of Internal Medicine, St Marianna University School of Medicine, Kawasaki
5. Department of Pediatrics, Hokkaido University Hospital, Sapporo
6. Department of Infection and Immunology, Aichi Children’s Health and Medical Center, Obu
7. Department of Pediatrics, Yokohama City University Graduate School of Medicine, Yokohama
8. Department of Pediatrics, Graduate School of Medicine, Gunma University, Maebashi
9. Department of Infectious Diseases and Immunology, Saitama Children’s Medical Center, Saitama
10. Department of Pediatrics, Tokyo Women’s Medical University, Tokyo
11. Department of Advanced Medicine for Rheumatic Diseases, Kyoto University, Kyoto
12. Department of Lifetime Clinical Immunology, Tokyo Medical and Dental University
13. Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo
14. Division of Public Health, Department of Social Medicine, Saitama Medical University Faculty of Medicine, Moroyama, Saitama, Japan