1. Department of Neurology; Pusan National University Yangsan Hospital; Beomo-ri, Mulgeum-eup, Yangsan 626-770 Gyeongnam South Korea
2. Biomedical Research Institute; Pusan National University Hospital; Busan South Korea
3. Research Institute for Convergence of Biomedical Research and Technology; Pusan National University Yangsan Hospital; Gyeongnam South Korea
4. Department of Pathology; Pusan National University; Busan South Korea