1. Faculty of Veterinary Science University of Pretoria Onderstepoort Pretoria Gauteng South Africa
2. Department of Paraclinical Sciences Anatomical Pathology, Faculty of Veterinary Science University of Pretoria Onderstepoort Pretoria Gauteng South Africa
3. Department of Companion Animal Clinical Studies Internal Medicine, Faculty of Veterinary Science University of Pretoria Onderstepoort Pretoria Gauteng South Africa