1. Infectious Disease Surveillance CenterNational Institute of Infectious DiseasesTokyo Japan
2. Kobayashi Pediatric ClinicFujieda Japan
3. Tokushima Eye ClinicTokyo Japan
4. Hatano Eye ClinicFujisawa Japan
5. Department of OphthalmologyFukuoka University School of MedicineFukuoka Japan
6. Department of OphthalmologyFukushima Medical University School of MedicineHobara Eye ClinicDate Japan