Johnson, Kelly D.
Lu, Xiaoyan
Zhang, Dongmu
Funding for this research was provided by:
Merck
Article History
Received: 30 July 2018
Accepted: 21 March 2019
First Online: 15 April 2019
Ethics approval and consent to participate
: The protocol for use of Clinical Practice Research Datalink (CPRD) anonymized data was approved by the CPRD Independent Scientific Advisory Committee (ISAC reference number 17_226R).
: Not applicable.
: KDJ and XL are employees of Merck & Co., Inc., Kenilworth, NJ, USA. DZ was an employee of Merck at the time of the study.
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