Whelan, Jane https://orcid.org/0000-0003-3784-2749
Ghoniem, Mohammad https://orcid.org/0000-0001-6745-3651
Médoc, Nicolas https://orcid.org/0000-0002-7419-8748
Apicella, Mike https://orcid.org/0000-0002-4530-2120
Beck, Ekkehard https://orcid.org/0000-0002-2022-9190
Article History
Received: 14 December 2020
Accepted: 2 August 2021
First Online: 6 September 2021
Change Date: 12 December 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12874-021-01470-z
Declarations
:
: Not applicable.
: Not applicable.
: JW was employed by the GSK group of companies throughout the course of this work. She no longer works at GSK and is now an independent consultant. EB is employed by the GSK group of companies and hold shares in the GSK group of companies. JW and EB declare no other financial and non-financial relationships and activities. MG, NM and MA declare no financial and non-financial relationships and activities and no conflicts of interest.