Cecil, Elizabeth
Bottle, Alex
Ma, Richard
Hargreaves, Dougal S.
Wolfe, Ingrid
Mainous, Arch G. III
Saxena, Sonia
Funding for this research was provided by:
National Institute for Health Research (CDF-2011-04-048)
Article History
Received: 5 June 2018
Accepted: 31 July 2018
First Online: 17 September 2018
Ethics approval and consent to participate
: We obtained ethical and scientific approval for the use of CPRD for our study from the Independent Scientific Advisory Committee Protocol number: 15_008R.
: Not applicable.
: The authors declare that they have no competing interests.
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