Takeo Matsubara¹, Masanori Matsubara¹, Keisuke Suzuki^1,2, Masayuki Miyamoto^2,3, Narihiro Nozawa¹, Takashi Kambayashi⁴, Takuo Arikawa^2,5, Itsuo Nakajima^2,6, Koichi Hirata¹ (1.Department of Neurology, Dokkyo Medical University, 2.Center of Sleep Medicine, Dokkyo Medical University Hospital, 3.Department of Clinical Medicine for Nursing, Dokkyo Medical University School of Nursing, 4.Department of Neuropsychiatry, Akita University School of Medicine, 5.Department of Cardiovascular Medicine, Dokkyo Medical University, 6.Department of otorhinolaryngology, Head and Neck Surgery, Dokkyo Medical University)

Tomohiko Nakamura^1,2, Yumiko Harada¹, Eriko Imai¹, Masashi Suzuki¹, Genki Tohnai¹, Masahisa Katsuno¹ (1.Department of Neurology, Nagoya University Hospital, 2.Department of Laboratory Medicine, Nagoya University Hospital)

Megumi Isa¹, Akiko Ishii², Masaya Maeda², Hayato Takeda², Hitomi Shimizu², Naoki Tosaka², Zenshi Miyake², Sho Okune², Hiroshi Tsuji², Yasushi Tomidokoro², Kiyotaka Nakamagoe², Kazuhiro Ishii², Akira Tamaoka² (1.National Defense Medical College Hospital, Neurology, 2.Tsukuba University Hospital, Neurology)

Kazumichi Ota¹, Yoshihiko Nakazato¹, Takashi Mitsufuji¹, Kei Ikeda¹, Hitoshi Kawasaki¹, Takuya Fukuoka¹, Ai Tanaka^1,2, Naotoshi Tanaka¹, Toshimasa Yamamoto¹ (1.Department of Neurology, Saitama Medical School, 2.Department of Neurology, Tottori Medical Center)

Takamasa Nukui, Mamoru Yamamoto, Hirofumi Konishi, Tomohiro Hayashi, Ryoko Anada, Nobuhiro Dougu, Yuji Nakatsuji (Depertment of Neurology, Toyama University Hospital)