Chidwick, Kendal
Strongman, Helen
Matthews, Anthony
Stanway, Susannah
Lyon, Alexander R.
Smeeth, Liam
Bhaskaran, Krishnan
Funding for this research was provided by:
Wellcome Trust (107731/Z/15/Z)
Royal Society (107731/Z/15/Z)
Article History
Received: 13 March 2018
Accepted: 14 October 2018
First Online: 22 October 2018
Ethics approval and consent to participate
: The protocol for this study was approved by the MHRA Independent Scientific Advisory Committee (ISAC) (protocol number 16_163; protocol included as Additional file : Protocol), and the study was approved by the London School of Hygiene and Tropical Medicine MSc Ethics Committee (approval number 10700). Participant consent is not required for ISAC approved CPRD studies using purely observational data.
: Not applicable.
: The authors declare that they have no competing interests.
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