1. Department of Communication, University of California, Los Angeles, CA, USA
2. Center for Behavior, Evolution, and Culture, University of California, Los Angeles, CA, USA
3. Department of Anthropology, University of California, Los Angeles, CA, USA
4. Centre for Culture and Evolution, Brunel University London, Uxbridge, UK
5. Department of Life Sciences, Brunel University London, Uxbridge, UK