1. Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
2. Neuroscience Center, Samsung Medical Center, Seoul, Korea
3. Department of Biomedical Engineering, Hanyang University, Seoul, Korea
4. Pfizer Pharmaceuticals Korea Ltd., Seoul, Republic of Korea
5. Department of Neurology, Pusan National University Hospital, Pusan National University, Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
6. Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
7. Department of Nuclear Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
8. Department of Neurology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
9. Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, Korea
10. Department of Clinical Research Design and Evaluation, SAIHST, Sungkyunkwan University, Seoul, Korea