1. National Institute for Public Health and the Environment, Bilthoven, The Netherlands.
2. Quantitative Veterinary Epidemiology, Wageningen University & Research, Wageningen, The Netherlands.
3. Wildlife Ecology and Conservation Group, Wageningen University & Research, Wageningen, The Netherlands.
4. Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany.
5. German Centre for Infection Research (DZIF), Partner Site Hamburg-Lübeck-Borstel-Riems, Hamburg, Germany.
6. Institute of Epidemiology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany.
7. Wageningen Bioveterinary Research, Lelystad, The Netherlands.