About the Authors

Tess Harris

tharris@sgul.ac.uk

Affiliation Population Health Research Institute, St George’s University of London, London, United Kingdom

Sally M. Kerry

Affiliation Pragmatic Clinical Trials Unit, Queen Mary’s University of London, London, United Kingdom

Elizabeth S. Limb

Affiliation Population Health Research Institute, St George’s University of London, London, United Kingdom

Christina R. Victor

Affiliation Gerontology and Health Services Research Unit, Brunel University, London, United Kingdom

Steve Iliffe

Affiliation Research Department of Primary Care & Population Health, University College, London, United Kingdom

Michael Ussher

Affiliation Population Health Research Institute, St George’s University of London, London, United Kingdom

Peter H. Whincup

Affiliation Population Health Research Institute, St George’s University of London, London, United Kingdom

Ulf Ekelund

Affiliations Department of Sport Medicine, Norwegian School of Sport Sciences, Oslo, Norway, MRC Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom

Julia Fox-Rushby

Affiliation Health Economics Research Group, Brunel, University of London, London, United Kingdom

Cheryl Furness

Affiliation Population Health Research Institute, St George’s University of London, London, United Kingdom

Nana Anokye

Affiliation Health Economics Research Group, Brunel, University of London, London, United Kingdom

Judith Ibison

Affiliation Population Health Research Institute, St George’s University of London, London, United Kingdom

Steve DeWilde

Affiliation Population Health Research Institute, St George’s University of London, London, United Kingdom

Lee David

Affiliation 10 Minute CBT, Devonshire Business Centre, Letchworth Garden City, United Kingdom

Emma Howard

Affiliation Population Health Research Institute, St George’s University of London, London, United Kingdom

Rebecca Dale

Affiliation Population Health Research Institute, St George’s University of London, London, United Kingdom

Jaime Smith

Affiliation Population Health Research Institute, St George’s University of London, London, United Kingdom

Derek G. Cook

Affiliation Population Health Research Institute, St George’s University of London, London, United Kingdom

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests: (1) LD reports personal fees from 10-minute CBT (a commercial organisation providing behaviour change training) during the conduct of this study and outside the submitted work; (2) NA reports grants from Department of Health, Sports England, NIHR, Sheffield University, and NICE, outside the submitted work. He is/has been involved as a researcher on the following projects: Age- and lifestyle-related chronic disease and causes of death among adults with cerebral palsy in the United Kingdom. Brunel University, Research Interdisciplinary Award. An examination of the feasibility of an economic evaluation of resistance training for adolescents with cerebral palsy. Brunel University. Research idea Award. (3) JFR reports grants from NIHR, Department of Health, Sports England, MacMillan, and NICE, outside the submitted work. The other authors declare no conflicts of interest. All authors have completed the ICMJE Unified Competing Interest form (available on request from the corresponding author).

Author Contributions

Conceptualization: TH DGC SMK CRV PHW MU SI UE JFR. Formal analysis: ESL SMK DGC. Funding acquisition: TH DGC SMK CRV PHW MU SI UE JFR. Investigation: TH CF EH JS RD NA JI SD ESL. Methodology: TH DGC SMK CRV PHW MU SI UE JFR LD. Project administration: CF EH JS RD. Resources: LD. Supervision: TH DGC. Validation: TH DGC ESL SMK. Visualization: TH DGC ESL SMK CF. Writing – original draft: TH DGC SMK ESL. Writing – review & editing: TH DGC SMK CRV PHW MU SI UE JFR CF EH JS RD NA JI SD LD.