Funding for this research was provided by:
Merck Sharp and Dohme
Text and Data Mining valid from 2020-04-06
Received: 11 September 2019
Accepted: 18 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: Ethical approval was not required as secondary analysis of HES data can be used to identify public health issues and for general medical research under existing protocol; the Health Research Authority decision tool corroborated this fact stating no ethical approval was required for this research [CitationRef removed]<b>.</b>
: Not applicable.
: VC is an employee of MSD UK (previously known as Sanofi Pasteur MSD). AC and SS are employees of Pharmerit Ltd., which has received funding from MSD UK. RC has received expenses for attending international conferences from Sanofi Pasteur MSD and GSK, and has participated in an advisory board for Sanofi Pasteur MSD (all > 5 years ago).