1. Laboratory Animal Resources; College of Veterinary Medicine; North Carolina State University; 1060 William Moore Drive Raleigh NC 27607 USA
2. Intracellular Pathogens Research Laboratory; Comparative Medicine Institute; College of Veterinary Medicine; North Carolina State University; 1050 William Moore Drive Raleigh NC 27607 USA
3. Dermatology Imaging Center; Department of Dermatology; University of Minnesota; 2-145 Jackson Hall, 321 Church St. S.E Minneapolis MN 55455 USA
4. Department of Population Health and Pathobiology; College of Veterinary Medicine; North Carolina State University; 1060 William Moore Drive Raleigh NC 27607 USA
5. Department of Pathology and Laboratory Medicine; University of North Carolina at Chapel Hill; 1100 Bioinformatics Building Chapel Hill NC 27599 USA