1. Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA
2. Department of Biological Science, University of North Carolina at Charlotte, Charlotte, North Carolina, USA
3. Department of Microbial Pathogenesis and Immunology, College of Medicine, Texas A&M University Health Science Center, Bryan, Texas, USA
4. Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
5. Department of Veterinary Pathobiology, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, USA