1. Department of Pathobiology, Faculty of Veterinary Sciences, Bahauddin Zakariya University, Multan, Pakistan
2. Department of Pathology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
3. Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, Qatar
4. Shandong Vocational Animal Science and Veterinary College, Weifang, China