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Jonathan I Bisson, Cono Ariti, Katherine Cullen, Neil Kitchiner, Catrin Lewis, Neil P Roberts, Natalie Simon, Kim Smallman, Katy Addison, Vicky Bell, Lucy Brookes-Howell, Sarah Cosgrove, Anke Ehlers, Deborah Fitzsimmons, Paula Foscarini-Craggs, Shaun R S Harris, Mark Kelson, Karina Lovell, Maureen McKenna, Rachel McNamara, Claire Nollett, Tim Pickles & Rhys Williams-Thomas.

Jonathan I Bisson ^1,*, Cono Ariti ², Katherine Cullen ³, Neil Kitchiner ^1,4, Catrin Lewis ¹, Neil P Roberts ^1,4, Natalie Simon ¹, Kim Smallman ², Katy Addison ², Vicky Bell ⁵, Lucy Brookes-Howell ², Sarah Cosgrove ¹, Anke Ehlers ⁶, Deborah Fitzsimmons ³, Paula Foscarini-Craggs ², Shaun R S Harris ³, Mark Kelson ⁷, Karina Lovell ⁵, Maureen McKenna ⁸, Rachel McNamara ², Claire Nollett ², Tim Pickles ², Rhys Williams-Thomas ²

¹ Division of Psychological Medicine and Clinical Neurosciences, School of Medicine, Cardiff University, Cardiff, UK
² Centre for Trials Research, Cardiff University, Cardiff, UK
³ Swansea Centre for Health Economics, Swansea University, Swansea, UK
⁴ Psychology & Psychological Therapies Directorate, Cardiff and Vale University Health Board, Cardiff, UK
⁵ Division of Nursing, Midwifery and Social Work, University of Manchester, Manchester, UK
⁶ University of Oxford and Oxford Health NHS Foundation Trust, Oxford, UK
⁷ Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK
⁸ NHS Lothian, NHS Lothian, Edinburgh, UK
^* Corresponding author Email: bissonji@cardiff.ac.uk

Disclosure of interests of authors

Full disclosure of interests: Completed ICMJE forms for all authors, including all related interests, are available in the toolkit on the NIHR Journals Library report publication page at https://doi.org/10.3310/YTQW8336.

Primary conflicts of interest: The Spring programme was developed by and is owned by Cardiff University and, if commercialised, Cardiff University would stand to benefit as would authors Jonathan Bisson, Neil Kitchiner, Catrin Lewis and Neil Roberts. Anke Ehlers reports financial assistance from the Wellcome Trust to develop the treatment used as the control condition; support from the Wellcome Trust for training therapists (manuals and materials); a NIHR Senior Investigator Award; occasional honoraria for workshops on cognitive therapy for PTSD and is a member of the UK Trauma Council. Paula Foscarini-Craggs reports grants from the Wellcome Trust Institutional Partnership Award. Mark Kelson reports grants from Centre for Homelessness research, the Alan Turing Institute, EPSRC Wellcome Trust; consulting fees from eCorys Consulting; leadership role on the Tools, Practices and Systems working group of the Alan Turing Institute; and UK reproducibility network lead. All other authors have no interests to disclose.