1. Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, Foggia, Italy
2. Department of Science of Agriculture, Food and Environment, University of Foggia, Foggia, Italy
3. Department of Veterinary Medicine, University of Bari “Aldo Moro”, Bari, Italy
4. Department for Animal Hygiene and Environmental Protection, Faculty of Veterinary Medicine, Ss. Cyril and Methodius University, Skopje, Macedonia
5. Wageningen Livestock Research, Wageningen, The Netherlands
6. Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, SAR