1. Institute for Risk Assessment Sciences, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 2, CM Utrecht, The Netherlands
2. Veterinary Epidemiology Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke, Belgium
3. Research Group for Genomic Epidemiology, National Food Institute, Technical University of Denmark, Kemitorvet 204, Kongens Lyngby, Denmark
4. Intomics A/S, Lottenborgvej 26, Kongens Lyngby, Denmark
5. Wageningen Bioveterinary Research, Houtribweg 39, RA, Lelystad, The Netherlands
6. Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, CL, Utrecht, The Netherlands
7. Centre of Infectious Disease Control, National Institute for Public Health and the Environment, Antonie van Leeuwenhoeklaan 9, MA, Bilthoven, The Netherlands