1 Department of Neurology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
2 Department of Physical Therapy, School of Health Sciences, Tokyo University of Technology, Tokyo, Japan.
3 Department of Otolaryngology and Head and Neck Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
4 Department of Precision Medicine Neurology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
5 Department of Neurology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan. ishiura@s.okayama-u.ac.jp.
6 Department of Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan. ishiura@s.okayama-u.ac.jp.
7 Institute of Medical Genomics, International University of Health and Welfare, Chiba, Japan.