1. Department of Pediatrics, Jichi Medical University, Shimotsuke, Tochigi, Japan
2. Department of Neurosurgery, Jichi Medical University, Shimotsuke, Tochigi, Japan
3. Department of Anesthesiology and Critical Care Medicine, Division of Anesthesiology, Jichi Medical University, Shimotsuke, Tochigi, Japan
4. Department of Pediatrics, Showa University, Shinagawa, Tokyo, Japan
5. Department of Pediatrics, Yamagata University Faculty of Medicine, Yamagata, Yamagata, Japan
6. Department of Pediatrics, Anjo Kosei Hospital, Anjo, Aichi, Japan
7. Division of Genetic Therapeutics, Jichi Medical University, Shimotsuke, Tochigi, Japan
8. Division of Neurology, Department of Medicine, Jichi Medical University, Shimotsuke, Tochigi, Japan
9. Utsunomiya Central Clinic, Utsunomiya, Tochigi, Japan
10. Center for Gene and Cell Therapy, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, Japan