1. Department of Pediatrics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
2. Department of Rheumatology and Infectious Disease, Miyagi Children’s Hospital, Sendai, Japan
3. School of Medical and Dental Sciences Pediatrics, Kagoshima University Graduate, Kagoshima, Japan
4. Department of Infection and Immunology, Aichi Children’s Health and Medical Center, Obu, Japan
5. Department of Infection and Immunology, Kanagawa Children’s Medical Center, Yokohama, Japan
6. Department of Pediatrics, Kanazawa University Hospital, Kanazawa, Japan
7. Department of Pediatrics, Pediatric Allergy and Rheumatology Center, National Hospital Organization Shimoshizu National Hospital, Chiba, Japan
8. Novartis Pharma KK, Tokyo, Japan
9. Children’s Intractable Disease Rheumatism Center, Fuji Toranomon Orthopedics Hospital, Shizuoka, Japan