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Lois H Thomas, Beverley French, Christopher J Sutton, Denise Forshaw, Michael J Leathley, Christopher R Burton, Brenda Roe, Francine M Cheater, Jo Booth, Elaine McColl, Bernadette Carter, Andrew Walker, Katie Brittain, Gemma Whiteley, Helen Rodgers, James Barrett, Caroline L Watkins & on behalf of the ICONS project team and the ICONS patient, public and carer involvement groups.

Lois H Thomas ^1,*, Beverley French ¹, Christopher J Sutton ¹, Denise Forshaw ¹, Michael J Leathley ¹, Christopher R Burton ², Brenda Roe ³, Francine M Cheater ⁴, Jo Booth ⁵, Elaine McColl ⁶, Bernadette Carter ¹, Andrew Walker ⁷, Katie Brittain ⁸, Gemma Whiteley ⁹, Helen Rodgers ¹⁰, James Barrett ¹¹, Caroline L Watkins ¹,

¹ School of Health, University of Central Lancashire, Preston, UK
² School of Healthcare and Medical Science, Bangor University, Gwynedd, UK
³ Evidence-Based Practice Research Centre, Edge Hill University, Ormskirk, UK
⁴ School of Health Science, University of East Anglia, Norwich Research Park, Norwich, UK
⁵ Department of Nursing and Community Health, Glasgow Caledonian University, Glasgow, UK
⁶ Newcastle Clinical Trials Unit, Newcastle University, Newcastle upon Tyne, UK
⁷ Robertson Centre for Biostatistics, Glasgow University, Glasgow, UK
⁸ Institute of Health and Society and Institute for Ageing and Health, Newcastle University, Newcastle upon Tyne, UK
⁹ Lancashire Teaching Hospitals NHS Foundation Trust, Royal Preston Hospital, Preston, UK
¹⁰ Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, UK
¹¹ Wirral University Teaching Hospitals NHS Foundation Trust, Arrowe Park Hospital, Wirral, Merseyside, UK
^* Corresponding author Email: lhthomas@uclan.ac.ulk