1. Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, KU Leuven, B-3000 Leuven, Belgium
2. Department of Microbiology, Immunology and Transplantation, VirusBank Platform, KU Leuven, B-3001 Leuven, Belgium
3. Statens Serum Institut, DK-2300 Copenhagen, Denmark
4. Department of Microbiology, Immunology and Transplantation, Laboratory of Clinical and Epidemiological Virology, Rega Institute, KU Leuven, B-3000 Leuven, Belgium
5. Department of Imaging and Pathology, Translational Cell and Tissue Research, Division of Translational Cell and Tissue Research, KU Leuven, B-3000 Leuven, Belgium