1. Department of Anthropology and McGill School of Environment McGill University 855 Sherbrooke Street West Montréal QC H3A 2T7Canada
2. Wildlife Conservation Society 2300 Southern Boulevard Bronx NY 10460 USA
3. Section of Social Systems Evolution Primate Research Institute Kyoto University Kyoto Japan
4. Department of Psychology University of Lethbridge Lethbridge AB T1K 3M4 Canada
5. Dalla Lama School of Public Health University of Toronto Toronto ON Canada
6. Public Health Ontario 400 University Ave, Suite 300 Toronto ON Canada
7. Department of Biology McGill University Montreal QC H3A 1B1 Canada