1. Department of Veterinary Medicine, University of Bari, Bari, Italy.
2. Doctoral School of Sciences and Technology, Lebanese University, Beirut, Lebanon.
3. Lebanese Agricultural Research Institute, Fanar, Lebanon.
4. Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”, Palermo, Italy.
5. Faculty of Science, Section I, Lebanese University, Hadath, Lebanon.
6. Faculty of Public Health, Section I, Lebanese University, Hadath, Lebanon.
7. Istituto Zooprofilattico Sperimentale Abruzzo e Molise “G. Caporale,” Teramo, Italy.
8. Republic of Lebanon, Ministry of Public Health, Beirut, Lebanon.
9. Faculty of Agricultural, Lebanese University, Beirut, Lebanon.