1. Department of Human Evolution; Max Planck Institute for Evolutionary Anthropology; Deutscher Platz 6 04103 Leipzig Germany
2. Department of Archaeology; University of Aberdeen, St. Mary's Building; Aberdeen Scotland AB24 3UF UK
3. Laboratory of Biodiversity and Evolutionary Genomics; Center for Archaeological Sciences, Katholieke Universiteit Leuven; Charles Deberiotstraat 32 B-3000 Leuven Belgium
4. Institute of Geosciences, Johannes Gutenberg University Mainz; 55128 Mainz Germany
5. Steinmann Institute; Division of Mineralogy; University of Bonn, Poppelsdorfer Schloss; 53115 Bonn Germany
6. Archaeological Science; English Heritage Centre for Archaeology, Fort Cumberland; Eastney Portsmouth PO4 9LD UK
7. Department of Anthropology; University of British Columbia; Vancouver BC Canada V6T 1Z1