1. Department of Child Neurology Okayama University Hospital Okayama Japan
2. Department of Child Neurology, Okayama University Graduate School of Medicine Dentistry and Pharmaceutical Sciences Okayama Japan
3. Department of Pediatric Neurology Osaka City General Hospital Osaka Japan
4. Department of Pediatric Neurology Hyogo Prefectural Amagasaki General Medical Center Hyogo Japan
5. Department of Neurology National Hospital Organization Nishiniigata Chuo Hospital Niigata Japan
6. Department of Neurology, Brain Research Institute Niigata University Niigata Japan