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Authors
van Staa, Tjeerd Pieter https://orcid.org/0000-0001-9363-742X
Palin, Victoria
Li, Yan
Welfare, William
Felton, Timothy W.
Dark, Paul
Ashcroft, Darren M.
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Funding
Funding for this research was provided by:
Department of Health England (CHC)
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Article History
Received: 15 August 2019
Accepted: 27 January 2020
First Online: 2 March 2020
Ethics approval and consent to participate
: The protocol was approved by the Independent Scientific Advisory Committee for CPRD research (protocol number 16_153) and SAIL’s Information Governance Protocol Review Panel (protocol number 0693).
: Not applicable.
: The authors declare that they have no competing interests.
