1. School of Geography, Archaeology and Environmental Studies, University of the Witwatersrand, Johannesburg, South Africa
2. Centre of Excellence in Palaeosciences, University of the Witwatersrand, Johannesburg, South Africa
3. Institute of Evolution in Africa (IDEA), Madrid, Spain
4. Department of Prehistory, Complutense University, Madrid, Spain
5. Department of Cartographic and Terrain Engineering - TIDOP Research Group, Superior Polytechnic School of Ávila - University of Salamanca, Avila, Spain
6. C. A. I. Archaeometry and Archaeological Analysis, Complutense University, Madrid, Spain