| Affiliation: | (1) Evolutionary Anthropology Research Group, Department of Anthropology, University of Durham, 43 Old Elvet, Durham, DH1 3HN, UK;(2) Population and Evolutionary Biology Research Group, School of Biological Sciences, Biosciences Building, University of Liverpool, Crown Street, Liverpool, L69 7ZB, UK;(3) Behavioural Ecology Research Group, School of Anthropology and Psychology, University of Natal, Durban 4041, South Africa;(4) Department of Psychology, University of Central Lancashire, Preston, PR1 2HE, UK |
