1. Department of Pediatrics, Dokkyo Medical University, Tochigi, Japan
2. Department of Pediatric Acute Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
3. Grimm Pediatrics and Allergy Clinic, Tochigi, Japan
4. Department of Pediatrics, JA Hiroshima General Hospital, Hiroshima, Japan
5. Department of Pediatrics, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
6. Department of Pediatrics, Nishikata Hospital, Tochigi, Japan
7. Department of Pediatrics, Kurashiki Municipal Hospital, Okayama, Japan
8. Department of Pediatrics, Nagato General Hospital, Yamaguchi, Japan
9. Department of Pediatrics, Nogi Hospital, Tochigi, Japan
10. Terada Kid’s Allergy & Asthma Clinic, Aichi, Japan
11. Department of Pediatrics, Yamaguchi Grand Medical Center, Yamaguchi, Japan
12. Department of Pediatrics, Okayama City Hospital, Okayama, Japan