Funding for this research was provided by:
Received: 10 August 2021
Accepted: 29 November 2021
First Online: 21 December 2021
: This study was exempted from review by the public institutional review board designated by Ministry of Health and Welfare, Korea, as this is not a requirement for non-interventional retrospective studies. Patients were not contacted during the study. Data were de-identified and compliant with privacy laws. The study sponsor did not have access to patient identifiers.
: Not applicable.
: S-BY, ZL, MC, PK, DM, and VC are all employees of GlaxoSmithKline (GSK), and ZL, MC, PK, DM, and VC hold stocks and shares. SP, RHB, and MSD are employees of Analysis Group which received research funding to conduct the study. HS has been a consultant for GSK.