1. The Fredy & Nadine Herrmann Institute of Earth Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
2. Department of Evolutionary Anthropology, University of Vienna, Vienna 1010, Austria
3. Department of Environmental Biology, Sapienza University of Rome, Rome 00185, Italy
4. Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, United States
5. Department of Genetics, the Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel