^○Shingo Mitaki¹, Yoshie Kato¹, Satoshi Abe¹, Shuhei Yamaguchi², Atsushi Nagai¹ (1.Shimane University, Department of Neurology, Japan, 2.Shimane Prefectural central hospital)

^○Masashi Tsujimoto¹, Keisuke Suzuki¹, Naoki Saji², Takashi Sakurai², Kengo Ito^1,3, Kenji Toba³, ORANGE Registry Study Group⁴ (1.Innovation Center for Translational Research, National Center for Geriatrics and Gerontology, Japan, 2.Center for Comprehensive Care and Research on Memory Disorders, National Center for Geriatrics and Gerontology, 3.Special Assistant to the President, National Center for Geriatrics and Gerontology, 4.ORANGE Registry Study Group)

^○Tetsuo Hayashi¹, Asako Yoritaka², Keiko Fusegi², Nobutaka Hattori¹ (1.Juntendo University Hospital, Japan, 2.Juntendo University Koshigaya Hospital)

^○Hiroki Yoshida¹, Yuki Onishi¹, Kohei Nishimura¹, Toshiya Takahashi¹, Shunsuke Kajikawa¹, Mieko Izuka², Naomi Taniguchi², Michikazu Nakamura^1,3, Morito Inouchi¹ (1.Department of Neurology, National Hospital Organization Kyoto Medical Center, Japan, 2.Music therapist, National Hospital Organization Kyoto Medical Center, 3.Department of Neurology, Amagasaki Daimotsu Hospital)