1 Paleoanthropology, Department of Geosciences, Institute for Archaeological Sciences, University of Tübingen, Tübingen, Germany.
2 Archaeo- and Palaeoproteomics, Department of Geosciences, Institute for Archaeological Sciences, University of Tübingen, Tübingen, Germany.
3 DFG Center for Advanced Studies 'Words, Bones, Genes, Tools', University of Tübingen, Tübingen, Germany.
4 Geoarchaeology, Department of Geosciences, Institute for Archaeological Sciences, Senckenberg Centre for Human Evolution and Palaeoenvironment, University of Tübingen, Tübingen, Germany.