1. Department of Neurology, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon, Republic of Korea
2. Department of Neurology, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Republic of Korea
3. Department of Neurology, Seoul Medical Center, Seoul, Republic of Korea
4. Department of Neurology, Hangang Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Republic of Korea
5. Department of Radiology, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Republic of Korea