Article History
Received: 12 November 2020
Revised: 16 December 2020
Accepted: 16 December 2020
First Online: 21 January 2021
Compliance with ethical standards
:
: GF declares no conflict of interest. AM has obtained lecture and consulting fees from Astra Zeneca, Pfizer and Janssen.
Free to read: This content has been made available to all.