Institution: | 1. Department of Cell Biology, University Medical Centre Utrecht, 3584 CX Utrecht, The Netherlands;2. Virology Division, Department of Infectious Diseases and Immunology, Utrecht University, 3508 TC Utrecht, The Netherlands;3. Institute for Research in Biomedicine, 6500 Bellinzona, Switzerland;4. Department of Biochemistry, University of Padova, 35122 Padova, Italy;5. Ecole Polytechnique Fédérale de Lausanne, School of Life Sciences, 1015 Lausanne, Switzerland |