1 Department of Ophthalmology, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu-shi, 501-1194, Japan. kj-ozawa@umin.ac.jp.
2 Department of Ophthalmology, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu-shi, 501-1194, Japan.
3 Department of Neurology and Geriatrics, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu-shi, 501-1194, Japan.
4 Department of Neuromuscular Research, National Institute of Neurology and Psychiatry, National Center of Neurology and Psychiatry, Tokyo, Japan.
5 Mental Retardation and Birth Defect Research, National Institute of Neurology and Psychiatry, National Center of Neurology and Psychiatry, Tokyo, Japan.
6 Medical Genome Center, National Center of Neurology and Psychiatry, Tokyo, Japan.