Affiliations

• ¹ Department of Neurology, Seoul National University Bundang Hospital, Seongnam, Korea.
• ² Department of Neurology, Eulji General Hospital, Eulji University, Seoul, Korea.
• ³ Department of Neurology, Eulji University Hospital, Daejeon, Korea.
• ⁴ Department of Neurology, Dong-A University Hospital, Busan, Korea.
• ⁵ Department of Neurology, Seoul Medical Center, Seoul, Korea.
• ⁶ Department of Neurology, Soonchunhyang University Hospital Seoul, Seoul, Korea.
• ⁷ Department of Neurology, Yeungnam University Medical Center, Daegu, Korea.
• ⁸ Department of Neurology, Inje University Ilsan Paik Hospital, Goyang, Korea.
• ⁹ Department of Neurology, Hallym University Sacred Heart Hospital, Anyang, Korea.
• ¹⁰ Department of Neurology, Dongguk University Ilsan Hospital, Goyang, Korea.
• ¹¹ Department of Neurology, Chonnam National University Hospital, Gwangju, Korea.
• ¹² Department of Neurology, Jeju National University Hospital, Jeju, Korea.
• ¹³ Department of Neurology, Ulsan University Hospital, Ulsan, Korea.
• ¹⁴ Department of Neurology, Chungbuk National University Hospital, Cheongju, Korea.
• ¹⁵ Department of Neurology, Keimyung University Dongsan Medical Center, Daegu, Korea.
• ¹⁶ Department of Biostatistics, Korea University, Seoul, Korea.
• ¹⁷ Clinical Research Center, Asan Medical Center, Seoul, Korea.
• ¹⁸ Department of Neurology, Seoul National University Hospital, Seoul, Korea.