1. Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
2. Produce Safety and Microbiology Research Unit, Agricultural Research Service, United States Department of Agriculture, Albany, CA, USA
3. SeaWorld Parks and Entertainment, San Diego, CA, USA
4. WHO Collaborating Center for Campylobacter/OIE Reference Laboratory for Campylobacteriosis, Utrecht, The Netherlands
5. SAC Consulting Veterinary Services, Inverness, UK
6. Wageningen Bioveterinary Research, Lelystad, The Netherlands