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David R Ellard, Martin Underwood, Felix Achana, James HL Antrobus, Shyam Balasubramanian, Sally Brown, Melinda Cairns, James Griffin, Frances Griffiths, Kirstie Haywood, Charles Hutchinson, Ranjit Lall, Stavros Petrou, Nigel Stallard, Colin Tysall, David A Walsh & Harbinder Sandhu.

David R Ellard ¹, Martin Underwood ^1,*, Felix Achana ¹, James HL Antrobus ², Shyam Balasubramanian ³, Sally Brown ⁴, Melinda Cairns ⁵, James Griffin ¹, Frances Griffiths ⁶, Kirstie Haywood ⁷, Charles Hutchinson ⁸, Ranjit Lall ¹, Stavros Petrou ¹, Nigel Stallard ⁹, Colin Tysall ⁴, David A Walsh ¹⁰, Harbinder Sandhu ¹

¹ Warwick Clinical Trials Unit, Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry, UK
² South Warwickshire NHS Foundation Trust, Warwick Hospital, Warwick, UK
³ Pain Management Service, University Hospital Coventry and Warwickshire, Coventry, UK
⁴ University/User Teaching and Research Action Partnership (UNTRAP), University of Warwick, Coventry, UK
⁵ Department of Allied Health Professions and Midwifery, School of Health and Social Work, University of Hertfordshire, Hatfield, UK
⁶ Social Science and Systems in Health, Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry, UK
⁷ Royal College of Nursing Research Institute, Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry, UK
⁸ Population Evidence and Technologies Room, Warwick Medical School, University of Warwick, University Hospitals of Coventry and Warwickshire, Coventry, UK
⁹ Statistics and Epidemiology, Division of Health Sciences, University of Warwick, Coventry, UK
¹⁰ Arthritis Research UK Pain Centre, Academic Rheumatology, University of Nottingham, Nottingham, UK
^* Corresponding author Email: m.underwood@warwick.ac.uk