1. Brain Function Research Group School of Physiology Faculty of Health Sciences University of the Witwatersrand Johannesburg South Africa
2. Concord Field Station Department of Organismic and Evolutionary Biology Faculty of Arts and Sciences Harvard University Bedford MA USA
3. Department of Paraclinical Sciences Faculty of Veterinary Science University of Pretoria Onderstepoort South Africa
4. Department of Biological Sciences College of Science University of Idaho Moscow ID USA
5. Department of Anatomy and Physiology Faculty of Veterinary Science University of Pretoria Onderstepoort South Africa
6. Centre for Veterinary Wildlife Studies Faculty of Veterinary Science University of Pretoria Onderstepoort South Africa