1. Center for Nanoparticle Research; Institute for Basic Science (IBS); Seoul 08826 Republic of Korea
2. School of Chemical and Biological Engineering, and Institute of Chemical Processes; Seoul National University; Seoul 08826 Republic of Korea
3. Laboratory of Innovative Nanobiotechnology; Biomedical Research Institute; Seoul National University Hospital; Seoul 03080 Republic of Korea
4. Department of Neurology; Seoul National University Hospital; Seoul 03080 Republic of Korea
5. Department of Neurology; Korea University Guro Hospital and Korea University College of Medicine; Seoul 08308 Republic of Korea