About the Authors

Seena Fazel

To whom correspondence should be addressed. E-mail: seena.fazel@psych.ox.ac.uk

Affiliation Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, United Kingdom

Vivek Khosla

Affiliation Oxford Clinic, Oxfordshire and Buckinghamshire Mental Health Foundation NHS Trust, Oxford, United Kingdom

Helen Doll

Affiliation Department of Public Health, University of Oxford, Old Road Campus, Oxford, United Kingdom

John Geddes

Affiliation Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, United Kingdom

Competing Interests

The authors report no competing interests.

Author Contributions

SF and JG designed the study. SF, HD, and JG analyzed the data. SF wrote the first draft of the paper. SF, VK, HD, and JG contributed to the writing of the paper. VK performed the literature search, review of literature, and, with SF, extraction of data.