1. Department of Veterinary Pathology and Public Health, Faculty of Veterinary Medicine, Jordan University of Science and Technology, Ar-Ramtha, Irbid, Jordan
2. Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA
3. Department of Global Health, Milken Institute School of Public Health, George Washington University, 950 New Hampshire Avenue NW, Washington, DC, USA