Funding for this research was provided by:
Academy of Medical Sciences (SGL015/1020)
NIHR Specialist Biomedical Research Centre for Mental Health at the South London and Maudsley NHS Foundation Trust and Institute of Psychiatry, King’s College London
Medical Research Council (Mental Health Data Pathfinder Award)
NIHR Senior Investigator Award
Medical Research Council (MRC) Health Data Research UK Fellowship (MR/S003118/1)
Text and Data Mining valid from 2020-03-10
Received: 29 May 2019
Accepted: 3 March 2020
First Online: 10 March 2020
Ethics approval and consent to participate
: The database used in this study has ethical approval for secondary analysis (Oxford REC C, reference 18/SC/0372).
: Not applicable.
: The authors declare that they have no competing interests.