1. National Research Center for Dementia, Gwangju, Korea
2. Premedical Science, College of Medicine, Chosun University, Gwangju, Korea
3. Department of Neurology, School of Medicine, Chosun University/Chosun University Hospital, Gwangju, Korea
4. College of Natural Sciences, Chosun University, Gwangju, South Korea
5. Department of Neuropsychiatry, School of Medicine, Chosun University/Chosun University Hospital, Gwangju, Korea