1. Department of Anthropology, University of California, Santa Barbara, CA, USA;
2. Tsimane Health and Life History Project, San Borja, Bolivia;
3. Center for Evolutionary Medicine, Arizona State University, Tempe, AZ, USA;
4. School of Human Evolution and Social Change, Arizona State University, Tempe, AZ, USA;
5. Department of Anthropology, University of New Mexico, Albuquerque, NM, USA;
6. Institute for Advanced Study in Toulouse, Toulouse, France;
7. Department of Anthropology, University of Oregon, Eugene, OR, USA