1. Department of Family Medicine; Seoul National University College of Medicine & Seoul National University Hospital; Seoul Korea
2. Center for Health Promotion and Optimal Aging; Seoul National University Hospital; Seoul Korea
3. Laboratory of Health Promotion and Health Behavior; Biomedical Research Institute; Seoul National University Hospital; Seoul Korea
4. JW Lee Center for Global Medicine; College of Medicine; Seoul National University; Seoul Korea
5. Institute on Aging; Seoul National University College of Medicine; Seoul Korea
6. Advanced Institutes of Convergence Technology; Seoul National University; Gyeonggi-do Korea
7. Department of Medical Education; College of Medicine; Hanyang University; Seoul Korea
8. Department of Neurology; Seoul National University College of Medicine & Seoul National University Bundang Hospital; Seoul Korea
9. Department of Family Medicine; Sungkyunkwan University College of Medicine & Samsung Medical Center; Seoul Korea