^○Toshio Shimizu¹, Yuki Nakayama² (1.Department of Neurology, Tokyo Metropolitan Neurological Hospital, Japan, 2.Unit for Intractable Disease Nursing Care, Tokyo Metropolitan Institute for Medical Science)

^○Tomoyasu Matsubara¹, Yuishin Izumi², Yuko Saito¹, Shigeo Murayama¹ (1.Department of Neurology and Neuropathology (the Brain Bank for Aging Research), Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Japan, 2.Department of Neurology, Tokushima University Graduate School of Biomedical Sciences)

^○Yuki Nakayama¹, Toshio Shimizu² (1.Tokyo Metropolitan Institute of MedicalScience Research Centre for Social Science & Medicine Unit for Intractable Disease Nursing Care, Japan, 2.Department of Neurology, Tokyo Metropolitan Neurological Hospital)

^○Koji Fujita, Yuishin Izumi (Department of Neurology, Tokushima University, Japan)

^○Satoko Koganemaru, Kenji Kansaku (Department of Physiology, Dokkyo Medical University, Japan)