1. Department of Anthropology, University of California Davis, Davis, CA, USA
2. Department of Integrative Biology, Oklahoma State University Stillwater, Stillwater, OK, USA
3. Graduate Group in Ecology, University of California Davis, Davis, CA, USA
4. Department of Human Behavior, Ecology, and Culture, Max Planck Institute for Evolutionary Anthropology, Leipzig, Sachsen, Germany
5. Santa Fe Institute, Santa Fe, NM, USA
6. Department of Linguistic and Cultural Evolution, Max Planck Institute for the Science of Human History, Jena, Thüringen, Germany
7. Department of Anthropology, University of California Santa Barbara, Santa Barbara, CA, USA
8. Department of Anthropology, University of Utah, Salt Lake City, UT, USA
9. Department of Anthropology, University of New Mexico, Albuquerque, NM, USA
10. Department of Anthropology, Pennsylvania State University, University Park, PA, USA
11. Department of Anthropology, University of California Los Angeles, Los Angeles, CA, USA
12. Economic Science Institute Chapman University, CA 92866
13. Department of Population Health, London School of Hygiene and Tropical Medicine, London, UK
14. Institut fur Philosophie, Justus Liebig Universitat Giessen, Giessen, Hessen, Germany
15. Department of Anthropology, Boise State University, Boise, ID, USA