About the Authors

Sharon A. M. Stevelink

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

Sharon.stevelink@kcl.ac.uk

Affiliations King’s Centre for Military Health Research, Department of Psychological Medicine, King’s College London, London, United Kingdom, Department of Psychological Medicine, King’s College London, London, United Kingdom

Simon Wessely

Roles Conceptualization, Writing – review & editing

Affiliation King’s Centre for Military Health Research, Department of Psychological Medicine, King’s College London, London, United Kingdom

Nicola T. Fear

Roles Conceptualization, Writing – review & editing

Affiliations King’s Centre for Military Health Research, Department of Psychological Medicine, King’s College London, London, United Kingdom, Academic Department of Military Mental Health, King’s College London, London, United Kingdom

Matthew Hotopf

Roles Conceptualization, Writing – review & editing

Affiliations Department of Psychological Medicine, King’s College London, London, United Kingdom, South London and Maudsley NHS Foundation Trust, London, United Kingdom

Neil Greenberg

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

Affiliation King’s Centre for Military Health Research, Department of Psychological Medicine, King’s College London, London, United Kingdom

Competing Interests

The authors have read the journal’s policy and have the following conflicts: SAMS, MH and SW are supported by the National Institute for Health Research (NIHR) Maudsley Biomedical Research Centre at South London and Maudsley NHS Foundation Trust. SAMS is supported by the National Institute for Health Research, NIHR Advanced Fellowship, Dr Sharon Stevelink, NIHR300592. NTF salaries are part funded by the UK Ministry of Defence (MoD). NTF is a trustee with a military charity, and is an independent advisor to the Independent Group Advising on the Release of Data (IGARD) for NHS Digital. NG is a trustee with two military charities, undertakes voluntary roles with the Royal College of Psychiatrists and runs his own psychological health consultancy. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials. The views expressed in this publication are those of the author(s) and not necessarily those of the NHS, the National Institute for Health Research, MoD or the Department of Health and Social Care.