1. Department of Life Sciences, School of Life and Environmental Sciences, College of Health and Science University of Lincoln Lincoln UK
2. School of Psychology, College of Health and Science University of Lincoln Lincoln UK
3. Istituto di Scienze e Tecnologie della Cognizione, Consiglio Nazionale delle Ricerche Rome Italy
4. Division of Psychology and Forensic Sciences University of Abertay Dundee Dundee Scotland UK
5. Department of Psychology, Centre for Comparative and Evolutionary Psychology University of Portsmouth Portsmouth UK