McDowell, Ronald
Perrott, Sarah http://orcid.org/0000-0003-1415-7271
Murchie, Peter http://orcid.org/0000-0001-9968-5991
Cardwell, Christopher http://orcid.org/0000-0002-2689-4335
Hughes, Carmel
Samuel, Leslie http://orcid.org/0000-0002-8402-8670
Article History
Received: 26 July 2021
Revised: 27 November 2021
Accepted: 2 December 2021
First Online: 17 December 2021
Ethical approval and consent to participate
: The study was approved by the Research Applications and Data Management Team at the University of Aberdeen and Queen’s University Belfast, School of Medicine, Ethics Committee (reference number: 18.02v2). According to Caldicott principles patients registered at participating practices were made aware that their anonymous data could be used in research and had the opportunity to withdraw should they wish. The study was performed in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.