About the Authors

Adam P. Wagner

Roles Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Affiliations National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care East of England, Cambridge, United Kingdom, Norwich Medical School, University of East Anglia, Norwich, United Kingdom, Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom

Tim J. Croudace

Roles Conceptualization, Methodology, Writing – original draft, Writing – review & editing

Affiliation School of Nursing and Midwifery and Social Dimensions of Health Institute, University of Dundee, Dundee, United Kingdom

Naomi Bateman

Roles Data curation, Investigation, Project administration, Writing – review & editing

Affiliation Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom

Mark W. Pennington

Roles Conceptualization, Formal analysis, Methodology, Writing – review & editing

Affiliation King’s Health Economics, King’s College London, London, United Kingdom

Elizabeth Prince

Roles Data curation, Investigation, Project administration, Writing – review & editing

Affiliation Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom

Marcus Redley

Roles Conceptualization, Formal analysis, Methodology, Writing – review & editing

Affiliation Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom

Simon R. White

Roles Formal analysis, Methodology, Writing – review & editing

Affiliation Medical Research Council Biostatistics Unit, University of Cambridge, Cambridge, United Kingdom

Howard Ring

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – original draft, Writing – review & editing

har28@cam.ac.uk

Affiliations National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care East of England, Cambridge, United Kingdom, Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom, Cambridgeshire and Peterborough National Health Service Foundation Trust, Cambridge, United Kingdom

Competing Interests

Howard Ring has received speaker fees from UCB and Eisai. This does not alter our adherence to PLOS ONE policies on sharing data and materials. The other authors have declared that no competing interests exist.