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Anthony P Morrison, Melissa Pyle, Andrew Gumley, Matthias Schwannauer, Douglas Turkington, Graeme MacLennan, John Norrie, Jemma Hudson, Samantha Bowe, Paul French, Paul Hutton, Rory Byrne, Suzy Syrett, Robert Dudley, Hamish J McLeod, Helen Griffiths, Thomas RE Barnes, Linda Davies, Gemma Shields, Deborah Buck, Sarah Tully & David Kingdon.

Anthony P Morrison ^1,2,*,†, Melissa Pyle ^1,2,†, Andrew Gumley ³, Matthias Schwannauer ⁴, Douglas Turkington ⁵, Graeme MacLennan ⁶, John Norrie ⁷, Jemma Hudson ⁶, Samantha Bowe ¹, Paul French ^1,8, Paul Hutton ⁹, Rory Byrne ^1,2, Suzy Syrett ³, Robert Dudley ¹⁰, Hamish J McLeod ³, Helen Griffiths ⁴, Thomas RE Barnes ¹¹, Linda Davies ¹², Gemma Shields ¹², Deborah Buck ¹², Sarah Tully ^1,2, David Kingdon ¹³

¹ Psychosis Research Unit, Greater Manchester Mental Health NHS Foundation Trust, Prestwich, UK
² Division of Psychology and Mental Health, University of Manchester, Manchester, UK
³ Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK
⁴ Department of Clinical Psychology, Edinburgh Medical School, University of Edinburgh, Edinburgh, UK
⁵ Academic Psychiatry, Northumberland, Tyne and Wear NHS Foundation Trust, Centre for Ageing and Vitality, Newcastle General Hospital, Newcastle upon Tyne, UK
⁶ Centre for Healthcare Randomised Trials, Health Services Research Unit, University of Aberdeen, Aberdeen, UK
⁷ Clinical Trials Unit, Edinburgh Medical School, University of Edinburgh, Edinburgh, UK
⁸ Institute of Psychology, Health and Society, University of Liverpool, Liverpool, UK
⁹ School of Health and Social Care, Edinburgh Napier University, Edinburgh, UK
¹⁰ School of Psychology, Newcastle University, Newcastle upon Tyne, UK
¹¹ Centre for Mental Health, Imperial College London, London, UK
¹² Division of Population Health, University of Manchester, Manchester, UK
¹³ Department of Psychiatry, University of Southampton, Academic Centre, Southampton, UK
^* Corresponding author Email: tony.morrison@manchester.ac.uk

^† First author