1. Biomedical Research Institute, Chung-Ang University College of Medicine, Seoul, Korea
2. Seoul Adventist Hospital, Seoul, Korea
3. Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
4. Futuristic Animal Resource & Research Center (FARRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Ochang, Korea
5. Division of Neurology, Department of Medicine, UBC Hospital, University of British Columbia, Vancouver, BC, Canada