1. Department of Neurology, Konyang University Hospital, College of Medicine, Konyang University, Daejeon, Republic of Korea
2. Department of Neurology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
3. Department of Neurology, Dong-A University College of Medicine, Busan, Republic of Korea
4. Department of Neurology, Inha University School of Medicine, Incheon, Republic of Korea
5. Department of Neurology, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
6. Department of Neurology, Inje University Ilsan Paik Hospital, Goyang, Republic of Korea
7. Department of Neurology, Bucheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Bucheon, Republic of Korea