1. Department of Neurology, Cognitive Disorders and Dementia Center, College of Medicine, Dong-A University, Busan, Korea
2. Institute of Convergence Bio-Health, Dong-A University, Busan, Korea
3. Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
4. Department of Health Care Science, Dong-A University, Busan, Korea
5. Department of Neurology, Chonnam National University Medical School, Gwangju, Korea
6. Department of Nuclear Medicine, College of Medicine, Dong-A University, Busan, Korea