1. Konrad Lorenz Institute, Klosterneuburg, Austria, and DFG Centre for Advanced Studies “Words, Bones, Genes, Tools”, University of Tübingen, Tübingen, Germany
2. Michigan State University, East Lansing, MI, USA
3. Paleoanthropology, Senckenberg Centre for Human Evolution and Paleoenvironment, and DFG Centre for Advanced Studies “Words, Bones, Genes, Tools”, University of Tübingen, Tübingen, Germany