1. Centre for Pain Research, School of Health, Leeds Beckett University , Portland Way, Leeds , West Yorkshire, LS1 3HE , UK
2. School of Health and Sports Sciences, University of Suffolk , Neptune Quay , Ipswich, Suffolk, IP4 1QJ , UK
3. School of Social Sciences and Humanities, University of Suffolk , Neptune Quay , Ipswich, Suffolk, IP4 1QJ , UK
4. Centre for Health Promotion Research, School of Health, Leeds Beckett University , Portland Way, Leeds, West Yorkshire, LS1 3HE , UK