Yumiko Uchiyama, Takashi Ohashi (Tokyo Women's Medical University Yachiyo Medical Center, Division of Neurology, Department of Internal Medicine)

Akihiro Shindo¹, Hideo Wada², Makoto Ikejiri³, Takeshi Matsumoto⁴, Hidekazu Tomimoto¹ (1.Department of Neurology, Mie University Graduate School of Medicine, 2.Department of Molecular and Laboratory Medicine, Mie University Graduate School of Medicine, 3.Central Laboratory, Mie University Graduate School of Medicine, 4.Department of Blood Transfusion, Mie University Graduate School of Medicine)

Maho Usuda, Rie Watanabe, Wataru Ishii, Ken-ichi Hoshi, Hiroyuki Yahikozawa, Shunichi Satoh (Japanese Red Cross Society Nagano Hospital)

Kenichiro Hira¹, Yuji Ueno², Masao Watanabe¹, Masao Watanabe², Kazuo Yamashiro², Nobutaka Hattori², Takao Urabe¹ (1.Department of Neurology, Juntendo University Urayasu Hospital, 2.Department of Neurology, Juntendo University School of Medicine)

Hiroshi Ohara^1,2, Masayoshi Tada^1,2, Junsuke Shimbo², Aki Sato¹, Kenichi Morita², Shuichi Igarashi^1,2 (1.Departments of Neurology, Niigata City General Hospital, 2.Departments of Cerebrovascular diseases, Niigata City General Hospital)

Kenichiro Sakai, Takeo Sato, Teppei Komatsu, Tadashi Umehara, Shusaku Omoto, Hidetomo Murakami, Hidetake Mitsumura, Yasuyuki Iguchi (The Jikei University School of Medicine)