1. Neuroscience Research Institute & Department of Neurobiology, Key Laboratory for Neuroscience, Ministry of Education & Ministry of Public Health, Health Science Center, Peking University, Beijing, China
2. Beijing Geriatric Hospital, Beijing, China
3. Department of Pathology, First Affiliated Hospital of General Hospital of PLA, Beijing, China
4. Department of Pathobiology, College of Veterinary Medicine, The University of Tennessee, Knoxville, TN, USA
5. Department of Neurology, Peking University Third Hospital, Beijing, China