1. Center for Advanced Studies in Vaccinology and Biotechnology, University of Balochistan, Quetta, Pakistan
2. Faculty of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
3. Faculty of Agriculture, Department of Forestry, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
4. Department of Poultry, University of Veterinary and Animal Sciences, Lahore, Pakistan
5. Forensic Medicine and Toxicology Department, Veterinary Medicine Faculty, Zagazig University, Zagazig, Egypt
6. Animal Production Department, National Research Centre, Giza, Egypt
7. Department of Poultry Production, Faculty of Agriculture, Fayoum University, Fayoum, Egypt
8. Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Alexandria University, Edfna, Egypt
9. Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, India
10. Department of Poultry, Faculty of Agriculture, Zagazig University, Zagazig, Egypt