1. Department of Biological Safety, Federal Institute for Risk Assessment (BfR), Berlin, Germany.
2. Department of Functional Biology, Area of Microbiology, University of Oviedo, Oviedo, Spain.
3. Animal Health and Veterinary Laboratories Agency (AHVLA), Department of Bacteriology, Addlestone, United Kingdom.
4. Department of Infectious, Parasitic and Immune-Mediated Diseases, Istituto Superiore di Sanita (ISS), Rome, Italy.
5. Department of Bacteriology and TSEs, Central Veterinary Institute (CVI) of Wageningen UR, Lelystad, The Netherlands.
6. Health Protection Agency (HPA), Centre for Infections, London, United Kingdom.