1. Transversal Activities in Applied Genomics, Sciensano, Juliette Wytsmanstraat 14, 1050 Brussels, Belgium
2. National Influenza Centre, Department of Infectious Diseases in Humans, Laboratory of Viral Diseases, Sciensano, Engelandstraat 642, 1180 Brussels, Belgium
3. Department of Biochemistry and Microbiology, Ghent University, 9052 Ghent, Belgium
4. VIB-UGent Center for Medical Biotechnology, VIB, 9052 Ghent, Belgium