1 Clinic for Infectious Diseases, St Joseph Krankenhaus, Berlin, Germany.
2 Institute of Pathology, DRK Kliniken Berlin, Berlin, Germany.
3 Department of Neuropathology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Cluster of Excellence, NeuroCure, Berlin, Germany; German Center for Neurodegenerative Diseases, Berlin, Germany.
4 Department of Neuropathology, Charité-Universitätsmedizin Berlin, Berlin, Germany.
5 National Consultant Laboratory for Diagnostic Electron Microscopy of Pathogens, Centre for Biological Threats and Special Pathogens, Robert Koch Institute, Berlin 13353, Germany. Electronic address: lauem@rki.de.