Yutaka Arahata¹, Akiko Yamaoka¹, Masashi Tsujimoto², Hiroki Matsui³, Eriko Imai¹, Katsunori Yokoi¹, Kentaro Horibe¹, Keisuke Suzuki², Akinori Takeda¹ (1.Department of Neurology, National Center for Geriatrics and Gerontology, Japan, 2.Innovation Center for Transitional Research, National Center for Geriatrics and Gerontology, Japan, 3.Department of Orthopedics, National Center for Geriatrics and Gerontology, Japan)

Taiji Katayama, Satoshi Okuda, Akira Inukai, Ikuko Aiba, Yuko Saito, Rina Hashimoto, Yuki Yokokawa, Masakuni Kenjhyo, Misaki Sato, Atsunori Murao (Department of Neurology, NHO Higashinagoya National Hospital, Japan)

Shu Kajita, Kazuya Omichi, Fumiko Li, Haruki Tatsumi, Kenji Sakakibara, Yumiko Harada, Wataru Takita, Rei Kobayashi, Hisasi Okada (Department of Neurology, NHO Nagoya medical center, Japan)

Seitaro Nohara, Shogo Ouchi, Takashi Hosaka, Motoki Fujimaki, Shinji Saiki (Department of Neurology, Institute of Medicine, University of Tsukuba, Japan)

Hiroaki Fujita, Keitaro Ogaki, Hirotaka Sakuramoto, Keisuke Suzuki (Department of Neurology, Dokkyo Medical University, Japan)

Iku Suzuki, Tomoko Tanaka, Yukiko Furuya, Mariko Akaogi, Masahiko Ohta, Takehiro Ueda, Yukihiro Yoneda, Yasufumi Kageyama (Division of Neurology, Hyogo Prefectural Amagasaki General Medical Center, Japan)

Hisae Sumi-akamaru, Akiko Hamamoto, Ryosuke Hayashi, Yukari Matsuda, Masaki Miyauchi, Noyuri Takenaka, Naoyuki Shiraishi, Tomohito Nakano, Takashi Naka (Higashiosaka City Medical Center, Japan)