Jun Ikezawa¹, Ayako Isoo², Fusako Yokochi¹, Satoko Kumada³, Ryoichi Okiyama^1,4, Hirofumi Kashii³, Takashi Agari^2,5, Yuji Saitoh¹, Takashi Kawasaki^2,6, Katsushige Watanabe^2,7, Kazushi Takahashi¹ (1.Department of Neurology, Tokyo Metropolitan Neurological Hospital, Japan, 2.Department of Neurosurgery, Tokyo Metropolitan Neurological Hospital, Japan, 3.Department of Neuropediatrics, Tokyo Metropolitan Neurological Hospital, Japan, 4.Department of Neurology, Prime Clinic, Japan, 5.Department of Neurosurgery, International University of Health and Welfare Narita Hospital, Japan, 6.Department of Neurosurgery, Yokohama City University Medical Center, Japan, 7.Department of Neurosurgery, Tokyo Metropolitan Matsuzawa Hospital, Japan)

Soutarou Taguchi^1,2, Takahiro Nakura¹, Hidemoto Saiki¹, Manabu Doyu² (1.Parkinson's disease advanced therapy center, Aichi Medical University Hospital, Japan, 2.Dept. of Neurology, Aichi Medical University, Japan)

Shin-ichi Tokushige^1,2, Shunichi Matsuda^1,3, Genko Oyama⁴, Yasushi Shimo⁵, Atsushi Umemura⁶, Masashi Hamada¹, Yoshikazu Ugawa⁷, Shoji Tsuji^1,8, Nobutaka Hattori⁴, Yasuo Terao^1,9 (1.Department of Neurology, the University of Tokyo, Japan, 2.Department of Neurology, Kyorin University, Japan, 3.Department of Neurology, NTT Medical Center Tokyo, Japan, 4.Department of Neurology, Juntendo University, Japan, 5.Department of Neurology, Juntendo University Nerima Hospital, Japan, 6.Department of Neurosurgery, Juntendo University, Japan, 7.Department of Human Neurophysiology, Fukushima Medical University, Japan, 8.Institute of Medical Genomics, International University of Health and Welfare, Japan, 9.Department of Medical Physiology, Kyorin University, Japan)

Masahiko Ichijo, Yoshiki Sakurai, Ojiro Sato, Natsuki Nakatani, Shuko Fujiki, Toshiyuki Watanabe, Tomoyuki Kamata (Department of Neurology, Musashino Red Cross Hospital, Japan)

Masahiro Horiuchi (Yui Odawara clinic in affiliation with Hakone rehabilitation hospital, Japan)