1. Department of Neurology, Chung-Ang University Hospital, Department of Medicine (Major in Neurology), Chung-Ang University Graduate School, Seoul, Korea
2. Department of Clinical Laboratory Science, Dongnam Health University, Suwon, Korea
3. Department of Neurology, Samsung Medical Center, Seoul, Korea
4. Department of Neurology, National Health Insurance Ilsan Hospitall, Goyang, Korea
5. Department of Biomedical Laboratory Science, Far East University, Eumseong, Korea