1. Departments of Neurology Samsung Medical CenterSungkyunkwan University School of Medicine Seoul South Korea
2. Neuroscience Center Samsung Medical Center Seoul South Korea
3. Department of Neurology Korea University Guro HospitalKorea University College of Medicine Seoul South Korea
4. Statistics and Data Center Samsung Medical Center Seoul South Korea
5. Department of Clinical Research Design and Evaluation SAIHSTSungkyunkwan University Seoul South Korea
6. Samsung Alzheimer Research Center and Center for Clinical Epidemiology Medical Center Seoul South Korea
7. Department of Intelligent Precision Healthcare Convergence SAIHSTSungkyunkwan University Suwon South Korea