1. Scientific Secretariat of the Scientific Committee, Directorate General Control Policy, Federal Agency for the Safety of the Food Chain, Brussels, Belgium.
2. Scientific Committee, Directorate General Control Policy, Federal Agency for the Safety of the Food Chain, Brussels, Belgium.
3. Department of Animal Health, Institute of Tropical Medicine, Antwerp, Belgium.
4. Department of Epidemiology, Scientific Institute of Public Health, Brussels, Belgium.
5. Department of Infectious and Parasitic Diseases, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium.
6. Faculty of Medicine, Public Health School, Université Catholique de Louvain, Brussels, Belgium.
7. Department of Bacteriology and Immunology, Veterinary and Agrochemical Research Centre, Brussels, Belgium.
8. Unit Technology and Alimentation, Institute for Agricultural and Fisheries Research, Melle, Belgium.
9. Department of Pathology, Bacteriology, and Poultry Diseases, Faculty of Veterinary Medicine, University of Ghent, Ghent, Belgium.
10. Department of Microbiology, Scientific Institute of Public Health, Brussels, Belgium.