Funding for this research was provided by:
Received: 9 November 2019
Accepted: 3 September 2020
First Online: 14 September 2020
Ethics approval and consent to participate
: As this study involved anonymized structured data, which according to applicable legal requirements do not contain data subject to privacy laws, obtaining informed consent from patients was not required.
: Not applicable.
: All authors are employees of Pfizer Inc., New York, NY, USA.