1. Institute for Evolutionary Medicine, University of Zurich , Winterthurerstrasse 190, 8057 Zurich , Switzerland
2. Faculty of Science, University of Helsinki , Gustaf Hällströmin katu 2, 00014 , Finland
3. Biogeology, Department of Geosciences, University of Tübingen , Hölderlinstraße 12, 72074 Tübingen , Germany
4. Department of Evolutionary Anthropology, University of Vienna , 1030 Vienna , Austria
5. Australian Research Centre for Human Evolution (ARCHE) , Griffith University, Brisbane 4111 , Australia
6. Max Planck Institute for Geoanthropology , 07745 Jena , Germany
7. Human Evolution and Archaeological Sciences (HEAS), University of Vienna , 1030 Vienna , Austria