1. School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, UK
2. NHS Lanarkshire, Chronic Pain Service, Coatbridge, UK
3. School of Health and Wellbeing, University of Glasgow, Glasgow, UK
4. Department of Social Sciences, Glasgow Caledonian University, Glasgow, UK
5. NHS Fife, Pain Management Service, Queen Margaret Hospital, Dunfermline, UK
6. School of Social and Political Sciences, University of Glasgow, Glasgow, UK