1. Department of Pediatrics, Kawasaki Medical School
2. Infectious Disease Surveillance Center, National Institute of Infectious Diseases
3. Department of Pediatrics, National Mie Hospital
4. Department of Pediatrics, Mie Chuo Medical Center
5. Umemoto Children’s Clinic
6. Department of Pediatrics, Kameda Medical Center
7. Sotobo Children’s Clinic
8. Department of Virology and Parasitology, Fujita Health University School of Medicine