^○Mai Tsuchiya¹, Kishin Koh¹, Hiroyuki Ishiura², Haruo Shimazaki³, Takeshi Nakamura⁴, Kohei Suzuyama⁵, Hideo Hara⁵, Makio Takahashi⁶, Shoji Tsuji^7,8, Yoshihisa Takiyama¹, Japan Spastic Paraplegia Research Consortium⁹ (1.Department of Neurology, Graduate school of Medical Sciences, University of Yamanashi, Japan, 2.Department of Neurology, The University of Tokyo, 3.Faculty of Health & Medical Care, Saitama Medical University, 4.Department of Neurology,Kyoto Takeda Hospital, 5.Division of Neurology, Department of Internal Medicine, Saga University Faculty of Medicine, 6.Department of Neurology, Osaka Red Cross Hospital, 7.Department of Molecular Neurology, Graduate School of Medicine, The University of Tokyo, 8.Institute of Medical Genomics, International University of Health and Welfare, 9.Japan Spastic Paraplegia Research Consortium)

^○Akira Takekoshi¹, Akio Kimura¹, Nobuaki Yoshikura¹, Katsuya Nakamura², Kunihiro Yoshida³, Takayoshi Shimohata¹ (1.Department of Neurology, Gifu University Graduate School of Medicine, Japan, 2.Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, 3.JA Nagano Koseiren Kakeyu-Misayama Rehabilitation Center Kakeyu Hospital)

^○Takanori Hata¹, Kishin Koh¹, Yuta Ichinose¹, Mai Tsutiya¹, Takamura Nagasaka¹, Kazumasa Shindo¹, Hiroyuki Ishiura², Shoji Tsuji^2,3, Yoshihisa Takiyama¹, Japan Spastic Paraplegia Research Consortium⁴ (1.Department of Neurology, The University of Yamanashi, Japan, 2.Department of Neurology, The University of Tokyo, 3.Institute of Medical Genomics, International University of Health and Welfare, 4.Japan Spastic Paraplegia Research Consortium)

^○Haruo Shimazaki¹, Tomoko Ogawa², Kishin Ko³, Yoichi Yamamoto⁴, Jun Tsugawa⁵, Chieko Murakami⁶, Masayuki Honda⁷, Katsuro Kurokawa⁸, Yasutaka Iwanaga⁹, Mitsuharu Ueda¹⁰, Yoshihisa Takiyama³, JASPAC¹¹ (1.Faculty of Health & Medical Care, Saitama Medical University/Department of Neurology, Saitama Medical University Hospital, Japan, 2.Department of Neurology, International University of Health and Welfare Hospital, 3.Department of Neurology, University of Yamanashi, 4.Department of Neurology, Osaka University, 5.Department of Neurology, Fukuoka University, 6.Department of Neurology, Hirosaki University, 7.Department of Neurology, Tokyo Metropolitan Neurological Hospital, 8.Department of Neurology, Yamagata National Hospital, 9.Department of Neurology, Kyushu University, 10.Department of Neurology, Kumamoto University, 11.Japan Spastic Paraplegia Research Consortium)

^○Ryusuke Takaki^1,2, Haitian Nan², Takanori Hata², Kishin Koh², Yoshihisa Takiyama² (1.Department of Neurology, Iida Hospital, Japan, 2.Department of Neurology, Graduate School of Medical Sciences, University of Yamanashi, Japan)

^○Yuta Ichinose¹, Kishin Koh¹, Hiroyuki Ishiura², Tatsushi Toda², Dai Matsuse³, Heisuke Mizukami⁴, Yoshihisa Yamano⁴, Shoji Tsuji^5,6, Yoshihisa Takiyama¹ (1.Department of Neurology, University of Yamanashi, Japan, 2.Department of Neurology, The University of Tokyo, 3.Department of Neurology, Kyushu University, 4.Department of Neurology, St. Marianna University School of Medicine, 5.Department of Molecular Neurology, Graduate School of Medicine, The University of Tokyo, 6.Institute of Medical Genomics, International University of Health and Welfare)