1. Department of Neurology; Ewha Womans University School of Medicine and Ewha Medical Research Institute; Seoul South Korea
2. Department of Medical Science; Ewha Womans University School of Medicine and Ewha Medical Research Institute; Seoul South Korea
3. Department of Psychiatry; Catholic University of Korea College of Medicine; Seoul South Korea
4. Department of Radiology; Ewha Womans University School of Medicine and Ewha Medical Research Institute; Seoul South Korea