1. Graduate Program of Bioengineering, College of Engineering, Seoul National University, Seoul, Republic of Korea.
2. Department of Neurology, Eulji General Hospital, Seoul, Republic of Korea.
3. Department of Neurology and Movement Disorder Center, Seoul National University Hospital, Seoul, Republic of Korea.
4. Department of Neurology, Kyung Hee University Medical Center, Seoul, Republic of Korea.
5. Department of Oral and Maxillofacial Radiology, School of Dentistry, Seoul National University, Seoul, Republic of Korea.
6. Department of Biomedical Engineering, College of Medicine, Seoul National University, Seoul, Republic of Korea.