1. Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
2. Department of Geriatric Neurology, Chinese PLA General Hospital, Beijing, China
3. German Center for Neurodegenerative Diseases, Munich, Germany
4. Center for Neuropathology and Prion Research, Ludwig-Maximilians-University Munich, Munich, Germany
5. Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University Munich, Munich, Germany