Article History
Received: 5 February 2022
Accepted: 15 February 2022
First Online: 21 March 2022
Declarations
:
: Not applicable.
: Not applicable.
: TB and PG declare that they have no competing interests.CI is Chief Scientific Officer and holds shares in Active Medical BV (Leiden, The Netherlands), a company that provides educational services, products and software related to clinical microcirculation using sublingual hand‑held vital microscopes.