1. Department of Neurodegenerative Diseases and Geriatric Psychiatry University of Bonn Medical Center Bonn Germany
2. German Center for Neurodegenerative Diseases (DZNE) Bonn Germany
3. Department of Cellular Neurology Hertie Institute for Clinical Brain ResearchUniversity of Tübingen Tübingen Germany
4. Department of Neurology and Department of Experimental Neurology Charité – Universitätsmedizin Berlin, corporate member of Freie Universität BerlinHumboldt Universität zu Berlin, and Berlin Institute of Health Berlin Germany
5. German Center for Neurodegenerative Diseases (DZNE) Tübingen Germany
6. Department of Infectious Diseases and Immunology University of Massachusetts Medical School Worcester Massachusetts USA