1. Centre for Ancient Genetics, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen, Denmark.
2. Museum of Natural and Cultural History, 1224 University of Oregon, Eugene, OR 97403-1224, USA.
3. Department of Evolutionary Biology, Uppsala University, Norbyvagten 18D, 74236 Uppsala, Sweden.
4. Instituto de Medicina Legal, Facultad de Medicina, University of Santiago de Compostela, San Francisco s/n 15782, Santiago de Compostela, Spain.
5. National Institute of Toxicology and Forensic Science, Canary Islands Delegation, 38320 Tenerife, Spain.