1. Department of Child Neurology; Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences and Okayama University Hospital; Okayama Japan
2. Institute for Integrated Medical Sciences; Tokyo Women's Medical University; Tokyo Japan
3. Precursory Research for Embryonic Science and Technology (PRESTO); Japan Science and Technology Agency (JST); Kawaguchi Japan
4. Department of Radiology; Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences and Okayama University Hospital; Okayama Japan
5. Department of Neurological Surgery; Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences and Okayama University Hospital; Okayama Japan