1. Division of Cellular Neurobiology; Zoological Institute; Braunschweig Germany
2. Brain Research Institute, University of Zurich; Zurich Switzerland
3. Department of Health Sciences and Technology; ETH Zurich; Zurich Switzerland
4. Division of Cell Biology, Faculty of Science; Utrecht University Utrecht; Netherlands
5. Helmholtz Centre for Infection Research, AG NIND; Braunschweig Germany