1. Department of Companion Animal Clinical Studies, Faculty of Veterinary Science, University of Pretoria,
South Africa
2. Department of Small Animal Medicine Clinic, Panorama Veterinary Clinic and Specialist Centre,
South Africa
3. Laboratory for Microscopy and Microanalysis, Faculty of Natural and Agricultural Sciences, University of Pretoria,
South Africa
4. Electron Microscope Unit, Department of Anatomy and Physiology, Faculty of Veterinary Science, University of Pretoria,
South Africa
5. Section of Pathology, Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria,
South Africa