Received: 20 January 2021
Accepted: 22 November 2021
First Online: 9 December 2021
: The study was approved by both the National Research Ethics Committee (20-NREC-COV-099). The requirement for informed consent was waived and a consent declaration provided following review by the Health Research Declaration Committee (20-025-AF1/COV).
: Not applicable
: The authors declare that they have no competing interests.