1. Institute for Infectious Diseases, University of Bern, 3001 Bern, Switzerland
2. Graduate School for Cellular and Biomedical Sciences, University of Bern, 3012 Bern, Switzerland
3. Multidisciplinary Center for Infectious Diseases, University of Bern, 3012 Bern, Switzerland
4. European Virus Bioinformatics Center, 07743 Jena, Germany
5. Microscope Imaging Center, University of Bern, 3012 Bern, Switzerland