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Authors
Stone, Philip W. https://orcid.org/0000-0002-2326-4987
Hickman, Katherine
Holmes, Steve
Feary, Johanna R. https://orcid.org/0000-0003-2903-6907
Quint, Jennifer K. https://orcid.org/0000-0003-0149-4869
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Article History
Received: 1 April 2022
Accepted: 29 September 2022
First Online: 25 October 2022
Ethical approval
: The protocol for this research was approved by an external review committee for the research data governance group (RDG); for the Medicines and Healthcare products Regulatory Agency (MHRA) Database Research (protocol number: 18_194), and the approved protocol is available upon request to the corresponding author. Generic ethical approval for observational research using CPRD with approval from RDG was granted by a Health Research Authority (HRA) Research Ethics Committee (East Midlands Derby, REC reference number: 05/MRE04/87).
: P.W.S. and J.K.Q. have completed analyses for the National Asthma and COPD Audit Programme (NACAP) Primary Care Audit. K.H. is the clinical lead for the NACAP Primary Care Audit. J.K.Q. is analysis lead for NACAP. J.R.F. and S.H. declare no competing interests.
