1. Department of Anatomy Faculty of Health Sciences University of Pretoria Pretoria South Africa
2. South African Nuclear Energy Corporation Pelindaba South Africa
3. Department of Anatomy and Histology Sefako Makgatho Health Sciences University Pretoria South Africa
4. Centre de Recherche Cerveau et Cognition Université de Toulouse UPS Toulouse France
5. Institute de mathématiques de Toulouse Université de Toulouse UPS Toulouse France
6. School of Geography, Archaeology and Environmental Studies University of the Witwatersrand Johannesburg South Africa