1. KU Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Division of Clinical and Epidemiological Virology, Herestraat 49, 3000 Leuven, Belgium
2. Evolutionary Ecology Group, Department of Biology, University of Antwerp, Antwerp, Belgium
3. Epidemiology of Infectious Diseases, Belgian Institute of Health, Sciensano, Brussels, Belgium
4. Spatial Epidemiology Lab (spELL), Université Libre de Bruxelles, Bruxelles, Belgium