^○Yasushi Takehisa¹, Katsuhiro Kida², Kazutoshi Tsuno², Nobuo Akitomo², Tsutomu Kajitani², Hidehiro Hayashi², Kouji Abe³ (1.Japanese Red Cross Okayama Hospital, Department of Neurology, 2.Japanese Red Cross Okayama Hospital, Department of Radiology, 3.Okayama University Graduate School of medicine, Dentistry and Pharmaceutical Sciences)

^○Yoshikazu Nakano¹, Shigeki Hirano¹, Kazuho Kojima¹, Hongliang Li¹, Ai Ishikawa¹, Toru Sakurai¹, Tai Hong¹, Takuro Horikoshi², Takashi Uno², Satoshi Kuwabara¹ (1.Department of Neurology, Chiba University Graduate School of Medicine, 2.Diagnostic Radiology and Radiation Oncology, Graduate School of Medicine, Chiba University)

^○Shuro Kogawa, Jiro Oi, Hiroyuki Yabata (The Department of Internal Medicine, Kohka Public Hospital)

^○Yi Lin Ong^1,2, Xiao Deng², HuiHua Li³, Prakash M Kumar^1,2, Pavanni Ratnagopal^1,2, Louis C.S. Tan², Wing Lok Au², Eng King Tan^1,2 (1.DUKE-NUS Medical School, Singapore, 2.National Neuroscience Institute, Singapore, 3.Health Services Research, Singapore General Hospital, Singapore)

^○Fiona Setiawan^1,2, Shin Hui Ng^1,2, Ebonne Yu Lin Ng^1,2, Mariya Parimelalagan^1,2, Zhonghao Lu¹, Yih Yuen³, Prakash M Kumar^1,2, Louis C.S. Tan¹, Wing Lok Au¹, Kay Yaw Tay¹, Zheyu Xu¹, Pavanni Ratnagopal^1,2, Eng King Tan^1,2 (1.National Neuroscience Institute, Singapore, 2.Singapore General Hospital (Departments of Neurology), Singapore, 3.Singapore General Hospital (Department of Family Medicine and Continuing Care), Singapore)