^○Yuji Takahashi¹, Hidetoshi Date¹, Hideki Oi², Takeya Adachi³, En Kimura³, Noriaki Imanishi³, Shinji Kosugi⁴, Naomichi Matsumoto⁵, Kenjiro Kosaki⁶, Yoichi Matsubara⁷, Hidehiro Mizusawa⁸, IRUD Consortium⁹ (1.Department of Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Japan, 2.Department of Clinical Research Support, Translational Medical Center, National Center of Neurology and Psychiatry, 3.Japan Agency for Medical Research and Development, 4.Department of Medical Ethics/Medical Genetics, Kyoto University School of Public Health, 5.Department of Human Genetics, Yokohama City University Graduate School of Medicine, 6.Center for Medical Genetics, Keio University School of Medicine, 7.National Center for Child Health and Development, 8.National Center of Neurology and Psychiatry, 9.IRUD Consortium)