Jack, Ruth H. http://orcid.org/0000-0003-4009-020X
Joseph, Rebecca M. http://orcid.org/0000-0002-0147-0712
Coupland, Carol http://orcid.org/0000-0002-2327-3306
Butler, Debbie
Hollis, Chris http://orcid.org/0000-0003-1083-6744
Morriss, Richard http://orcid.org/0000-0003-2910-4121
Knaggs, Roger David http://orcid.org/0000-0003-1646-8321
Cipriani, Andrea http://orcid.org/0000-0001-5179-8321
Cortese, Samuele http://orcid.org/0000-0001-5877-8075
Hippisley-Cox, Julia http://orcid.org/0000-0002-2479-7283
Funding for this research was provided by:
National Institute for Health Research (NIHR Nottingham Biomedical Research Centre [IS-BRC-1215-20003], RP-2017-08-ST2-006, NIHR Oxford Health Biomedical Research Centre [BRC-1215-20005])
Article History
Received: 26 November 2019
Accepted: 16 March 2020
First Online: 30 April 2020
Ethics approval and consent to participate
: The study used anonymised data provided by QResearch and NHS Digital. The project has been reviewed in accordance with the QResearch agreement with East Midlands Derby Research Ethics Committee [reference 18/EM/0400].
: Not applicable
: CH was the chair of the NICE guideline for psychosis in children and young people (CG155) and a member of the NICE ADHD Guideline update committee (NG87).SC has received honoraria for talks/lectures from the Association for Child and Adolescent Mental Health (ACAMH), British Association of Psychopharmacology (BAP), Canadian ADHD Alliance Resource (CADDRA), and Healthcare Convention.JHC is a professor of clinical epidemiology and general practice at the University of Oxford and co-director of QResearch®—a not-for-profit organisation which is a joint partnership between the University of Oxford and Egton Medical Information Systems (the leading commercial supplier of IT for 60% of general practices in the UK). JHC was also a paid director of ClinRisk Ltd. which produces open and closed source software to ensure the reliable and updatable implementation of clinical risk equations within clinical computer systems to help improve patient care.RHJ, RMJ, CC, DB, RM, RDK, and AC declare that they have no competing interests.