1. Viroscience, ErasmusMC, Rotterdam, the Netherlands
2. Institute of Environmental Sciences, Leiden University, Leiden, the Netherlands
3. Vogeltrekstation —Dutch Centre for Avian Migration and Demography, NIOO-KNAW, Wageningen, the Netherlands
4. Naturalis Biodiversity Center, Leiden, the Netherlands
5. Laboratory of Entomology, Wageningen University and Research, Wageningen, the Netherlands
6. Department of Animal Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, the Netherlands
7. Wildlife Ecology and Conservation group, Wageningen University and Research, Wageningen, the Netherlands
8. Division of Pathology, Utrecht University, Utrecht, the Netherlands
9. Dutch Wildlife Health Centre (DWHC), Utrecht, the Netherlands