Yuka Hama¹, Hidetoshi Date², Hidehiro Mizusawa³, Yuji Takahashi¹, J-CAT (Japan Consortium of Ataxias)⁴ (1.Department of Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Japan, 2.Medical Genome Center, National Center of Neurology and Psychiatry, Japan, 3.National Center of Neurology and Psychiatry, Japan, 4.J-CAT (Japan Consortium of Ataxias), Japan)

Yoshiyuki Kishimoto¹, Naoyuki Yogo², Atsushi Hashizume³, Shinichiro Yamada¹, Daisuke Ito¹, Shota Komori¹, Takahiro Kawase¹, Ayano Kondo¹, Keita Hiraga¹, Daigo Tamakoshi¹, Taiki Fukushima¹, Madoka Iida¹, Tetsunari Hase², Yasushi Iwasaki⁴, Yuichi Riku⁴, Makoto Ishii², Masahisa Katsuno^1,3 (1.Department of Neurology, Nagoya University Graduate School of Medicine, Japan, 2.Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Japan, 3.Department of Clinical Research Education, Nagoya University Graduate School of Medicine, Japan, 4.Institute for Medical Science of Aging, Aichi Medical University, Japan)

Xu Zhang¹, Jun-ichi Kira^1,2,3, Mikio Mitsuishi¹, Daisuke Tsuchimoto⁴, Maimaitijiang Guzailiayi¹, Tomohiro Imamura^1,3, Ayako Sakoda^2,3, Yuri Nakamura^1,2,3 (1.Translational Neuroscience Research Center, Graduate School of Medicine, International University of Health and Welfare, Okawa, Japan, 2.Department of Neurology, Brain and Nerve Center, Fukuoka Central Hospital, International University of Health and Welfare, Fukuoka, Japan, 3.School of Pharmacy at Fukuoka, International University of Health and Welfare, Okawa, Japan, 4.Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan)

Akisato Nishigaki¹, Yamato Nishiguchi², Kei Tachibana³, Natsuko Kato⁴, Kana Matsuda¹, Yurie Mori⁵, Shinji Oikawa⁵, Hidekazu Tomimoto¹, Akihiro Shindo¹ (1.Department of Neurology, Mie University Graduate School of Medicine, Japan, 2.Department of Neurology, Matsusaka Chuo General Hospital, Japan, 3.Department of Neurology, Suzuka Kaisei Hospital, Japan, 4.Department of Neurology, Saiseikai Matsusaka General Hospital, Japan, 5.Department of Environmental and Molecular Medicine, Mie University Graduate School of Medicine, Japan)

Takumi Tashiro¹, Hidenori Ogata¹, Ryo Yamasaki¹, Jun-ichi Kira², Noriko Isobe¹, J-Caspr1 Study Group³ (1.Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Japan, 2.Translational Neuroscience Research Center, Graduate School of Medicine, and School of Pharmacy at Fukuoka, International University of Health and Welfare, Japan, 3.J-Caspr1 Study Group, Japan)

Ryoji Goto^1,2, Hironobu Endo¹, Kenji Tagai¹, Yuko Kataoka¹, Kosei Hirata¹, Kiwamu Matsuoka¹, Naomi Kokubo¹, Chie Seki¹, Sho Moriguchi¹, Keisuke Takahata¹, Takahiko Tokuda¹, Yuhei Takado¹, Hitoshi Shinotoh^1,3, Hitoshi Shimada^1,4, Kazunori Kawamura⁵, Ming-rong Zhang⁵, Tatsushi Toda², Makoto Higuchi¹ (1.Department of Functional Brain Imaging, Institute for Quantum Medial Science, Quantum Life and Medical Science Directorate, National Institutes for Quantum Science and Technology, Japan, 2.Department of Neurology, Graduate School of Medicine, The University of Tokyo, Japan, 3.Neurology Clinic Chiba, Japan, 4.Department of Functional Neurology & Neurosurgery, Center for Integrated Human Brain Science, Brain Research Institute, Niigata University, Japan, 5.Department of Advanced Nuclear Medicine Sciences, Institute for Quantum Medical Science, Quantum Life and Medical Science Directorate, National Institutes for Quantum Science and Technology, Japan)