1. Department of Integrative Biology, 2506 Speedway A5000, University of Texas at Austin, Austin, TX 78712, USA.
2. Miller Institute for Basic Research in Science, 2536 Channing Way, University of California, Berkeley, CA 94720, USA.
3. Corpoicá C.I Tibaitata, Santa Fe de Bogotá, Bogotá, Colombia.
4. Gombe Stream Research Center, Kigoma, Tanzania.
5. Department of Anthropology, Northwestern University, 1810 Hinman Avenue, Evanston, IL 60208, USA.
6. Department of Human Evolutionary Biology, Harvard University, 11 Divinity Avenue, Cambridge, MA 02138, USA.
7. Department of Psychology and Biological Foundations of Behavior Program, LSP 261B, Franklin and Marshall College, Lancaster, PA 17603, USA.
8. Department of Anthropology, University of New Mexico, MSC01-1040, Albuquerque, NM 87131, USA.
9. Department of Evolutionary Anthropology, 101 Biological Sciences Building, Duke University, Durham, NC 27708, USA.
10. Institut de Recherche pour le Développement, University of Montpellier, 34394 Montpellier, France.
11. Departments of Medicine and Microbiology, Perelman School of Medicine, 409 Johnson Pavilion, University of Pennsylvania, Philadelphia, PA 19104, USA.