1. Department of Neurology, Ajou University School of Medicine, Suwon, Korea.
2. Department of Management and Administration, Baekseok Arts University, Seoul, Korea.
3. Department of Applied Statistics, Hoseo University, Asan, Korea.
4. Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, Korea.
5. Department of Neurology, Neuroscience Center, Stem Cell & Regenerative Medicine Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
6. Department of Neurology, Ewha Womans University Mokdong Hospital, Ewha Womans University School of Medicine, Seoul, Korea.
7. Department of Neurology, Dong-A University College of Medicine, Busan, Korea.
8. Department of Preventive Medicine and Public Health, Ajou University School of Medicine, Suwon, Korea.
9. Department of Neurology, Inha University College of Medicine, Incheon, Korea.