1. Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
2. Department of Biochemistry, Hamamatsu University School of Medicine, Hamamatsu 431-3192, Japan
3. Department of Pediatrics, Showa University School of Medicine, Tokyo 142-8666, Japan
4. Department of Medical Genetics, Osaka Women’s and Children’s Hospital, Osaka 594-1101, Japan
5. Department of Pediatrics, Aichi Medical University, Aichi 480-1195, Japan
6. The Genetics Institute, Rambam Health Care Campus, Haifa 3109601, Israel
7. Department of Biochemistry, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
8. Center for Intractable Diseases, Saitama Medical University Hospital, Saitama 350-0495, Japan
9. Department of Child Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
10. Department of Pediatrics, Saga University Faculty of Medicine, Saga 849-8501, Japan
11. Department of Pediatric Neurology, Osaka Women’s and Children’s Hospital, Osaka 594-1101, Japan
12. Clinical Genetics Department, Yokohama City University Hospital, Yokohama 236-0004, Japan
13. Department of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo 157-8535, Japan
14. Department of Genome Medicine, National Center for Child Health and Development, Tokyo 157-8535, Japan
15. Department of Medical Genetics, Tohoku University School of Medicine, Sendai 980-8574, Japan
16. National Research Institute for Child Health and Development, Tokyo 157-8535, Japan