1. Animal Behaviour and Welfare Group, Bristol Veterinary School, University of Bristol, Bristol BS40 5DU, UK
2. School of Sport, Rehabilitation and Exercise Sciences, University of Essex, Colchester CO4 3SQ, UK
3. IOE, UCL’s Faculty of Education and Society, University College London, London WC1H 0AL, UK
4. PDSA, Whitechapel Way, Priorslee, Telford TF2 9PQ, UK