1. Department of Early Prehistory and Quaternary Ecology, University of Tübingen, Schloss Hohentübingen, Tübingen, Germany
2. Senckenberg Centre for Human Evolution and Palaeoenvironment, University of Tübingen, Schloss Hohentübingen, Tübingen, Germany
3. Palaeo-Research Institute, University of Johannesburg, Auckland Park, South Africa