1. Bacteriology Branch, Veterinary Sciences Division, Agri-Food and Biosciences Institute, Belfast, United Kingdom.
2. Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, Timisoara, Romania.
3. Academy of Romanian Scientists, Bucharest, Romania.
4. Department of Animal and Dairy Science, University of Georgia, Athens, Georgia, USA.
5. Faculty of Veterinary Medicine, University of Life Sciences King Mihai I from Timisoara, Timisoara, Romania.