1. Faculty of Business and Economics, University of Lausanne, Lausanne, Switzerland
2. Department of Psychological and Behavioural Science, London School of Economics and Political Science, London, England
3. Department of Psychology, York University, Toronto, Ontario, Canada
4. Centre for Culture and Evolution, Psychology, Brunel University London, London, England
5. Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada
6. Department of Human Evolutionary Biology, Harvard University, Cambridge, Massachusetts
7. Canadian Institute for Advanced Research, Toronto, Ontario, Canada