1. Visual Geometry Group, Department of Engineering Science, University of Oxford, Oxford, UK.
2. Primate Models for Behavioural Evolution Lab, Institute of Human Sciences, School of Anthropology and Museum Ethnography, University of Oxford, Oxford, UK.
3. Social Body Lab, Institute of Human Sciences, School of Anthropology and Museum Ethnography, University of Oxford, Oxford, UK.
4. Department of Zoology, University of Oxford, Oxford, UK.
5. Centre for Ecology and Conservation, College of Life and Environmental Sciences, University of Exeter, Exeter, UK.
6. Division of the Humanities and Social Sciences, California Institute of Technology, 1200 E. California Blvd., MC 228-77, Pasadena, CA 91125, USA.
7. Department of Brain and Cognitive Sciences, University of Rochester, Rochester, NY, USA.
8. Gorongosa National Park, Sofala, Mozambique.
9. Centre for Functional Ecology, Department of Life Sciences, Coimbra University, Coimbra, Portugal.
10. Interdisciplinary Centre for Archaeology and Evolution of Human Behaviour, Algarve University, Faro, Portugal.