1. Animal and Plant Health Agency (APHA)- Weybridge, Addlestone, Surrey, KT15 3NB, UK
2. APHA-Starcross, Staplake mount, Starcross, Exeter, Devon, EX6 8PE, UK
3. Department of Medical Microbiology and Immunology, Medical School, University of Pécs, Pécs, Hungary
4. APHA-Thirsk, Wests House, Station Road, Thirsk North, Yorkshire, YO7 1PZ, UK