Funding for this research was provided by:
Promedica Stiftung (1449/M)
Universität Zürich (Filling the Gap, Filling the Gap)
Received: 24 July 2020
Accepted: 5 January 2021
First Online: 12 January 2021
Ethics approval and consent to participate
: Not applicable. No institutional review board (IRB) approval was required as this study did not involve any patients.
: Not applicable.
: The authors declare that they have no competing interests. PWS has received travel grants from Gilead and Pfizer, and speakers honorary from Pfizer, outside of the submitted work.