1. Department of Companion Animal Clinical Studies, Small Animal Surgery, Faculty of Veterinary Science; University of Pretoria; Onderstepoort South Africa
2. Department of Companion Animal Clinical Studies, Diagnostic Imaging, Faculty of Veterinary Science; University of Pretoria; Onderstepoort South Africa
3. Department of Paraclinical Science, Section of Pharmacology, Faculty of Veterinary Science; University of Pretoria; Onderstepoort South Africa