1. Department of Pediatrics, Kyoto University Graduate School of Medicine, Kyoto, Japan;
2. Department of Pediatrics, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan;
3. Department of Pediatrics, Matsudo City General Hospital Children’s Medical Centre, Matsudo, Japan;
4. Department of Pediatrics, Jichi Medical University of School of Medicine, Shimotsuke, Japan;
5. Department of Pediatrics, Ehime University Graduate School of Medicine, Toon, Japan;
6. Department of Pediatrics, Gumma University Graduate School of Medicine, Maebashi, Japan;
7. Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan;
8. Department of Pediatrics, Faculty of Medical Sciences, University of Fukui, Fukui, Japan;
9. Department of Pediatrics, Osaka Medical College, Takatsuki, Japan;
10. Department of Technology, Kazusa DNA Research Institute, Chiba, Japan