1. Veterinary Science Division, Bacteriology Branch, Agri-Food and Biosciences Institute, Belfast, United Kingdom.
2. London School of Hygiene and Tropical Medicine, London, United Kingdom.
3. University of Bucharest, ICUB, Bucharest, Romania.
4. School of Animal Science and Biotechnology, Banat University of Animal Sciences and Veterinary Medicine–King Michael I of Romania, Timisoara, Romania.
5. Sustainable Agri-Food Sciences Division, Agriculture Branch, Agri-Food and Biosciences Institute, Hillsborough, United Kingdom.