Funding for this research was provided by:
Text and Data Mining valid from 2018-10-11
Received: 24 May 2018
Accepted: 20 August 2018
First Online: 11 October 2018
Ethics approval and consent to participate
: This study utilized de-identified retrospective claims data, and as such, this study does not require institutional review board (IRB) review and approval or informed consent procedures. This study is in scope for GlaxoSmithKline (GSK)‘s policy 408 for reporting and disclosure.
: Not applicable.
: BH, RR, and RHS are employees of GSK and hold stocks/shares in GSK. ARB, LB, AA, EK, DVV, and LS are employees of Optum, which was contracted by GSK to conduct the study. Employees of Optum were not paid for manuscript development.
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