1. Department of Evolutionary Anthropology, Duke University, Box 90383, Durham, NC 27708, USA
2. Duke Global Health Institute, Duke University, 310 Trent Drive, Durham, NC 27710, USA
3. The Microsoft Research-University of Trento COSBI, Piazza Manifattura 1, 38068 Rovereto, Italy
4. Balaton Limnological Institute, Centre for Ecological Research HAS, Klebelsberg K. u. 3, 8237 Tihany, Hungary
5. Department of Human Evolutionary Biology, Harvard University, Cambridge, MA 01238, USA
6. National Evolutionary Synthesis Center, Duke University, Durham, NC 27705, USA
7. School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA