Izumi Kuratsubo¹, Naoya Kuwata², Masashi Tsujimoto¹, Keisuke Suzuki¹ (1.Innovation Center for Translational Research, National Center for Geriatrics and Gerontology, Japan, 2.Department of Orthopaedic Surgery, Shimada Hospital, Japan)

Yuki Sugimoto, Shigeru Senda, Hiroko Yamada, Maki Abe, Keiichi Katada, Yuriko Shinno, Nana Sakai, Masaru Kurokawa, Yasuko Matsumoto (Ishikawa Prefectural Central Hospital, Japan)

Yuko Shirato¹, Yuichi Akaogi², Koichi Homma², Risa Mitsuhashi³ (1.Nursing Department,Chiba Cerebral and Cardiovascular Center, Japan, 2.Department of Neurology,Chiba Cerebral and Cardiovascular Center, Japan, 3.Department of Memory Clinic,Chiba Cerebral and Cardiovascular Center, Japan)

Daiki Yamanaka, Tadanori Hamano (Department of Neurology, Faculty of Medical Sciences, University of Fukui, Japan)

Akito Tsugawa¹, Ryo Yamamoto¹, Tomoki Kamiya¹, Narumi Wada¹, Naoto Takenoshita¹, Kenji Ishii², Soichiro Shimizu¹ (1.Department of Geriatric Medicine, Tokyo Medical University., Japan, 2.Research Team for Neuroimaging, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Japan)

Kiyoko Ishikawa¹, Hiroshi Sugihara², Maki Nakashima¹, Miyako Hatanaka¹, Toshikazu Hirayama², Fumihito Nakano² (1.Kitakashiwa Rehabilitation General Hospital Department of Clinical Laboratory,, Japan, 2.Kitakashiwa Rehabilitation General Hospital Department of Neurology, Japan)