1. ; Department of Pediatrics; Gifu University School of Medicine; Gifu Japan
2. Department of Pediatrics; National Sanatorium Nagara Hospital; Gifu Japan
3. ; Department of Child Neurology; Okayama University School of Medicine; Okayama Japan
4. ; Department of Pediatrics; Okayama University School of Medicine; Okayama Japan
5. ; Department of Pediatrics; Iwate Medical University; Morioka Japan
6. ; Department of Pediatrics; Tokai University School of Medicine; Isehara Japan
7. ; Department of Pediatrics and Institute of DNA Medicine; The Jikei University School of Medicine; Tokyo Japan