Article History
Accepted: 29 April 2021
First Online: 9 June 2021
Declarations
:
: None.
: Tong J. Gan received honoraria from Acacia, Edwards, Masimo, Medtronic and Merck.
: Not applicable.
: Not applicable.
: ZJ: manuscript and illustration preparation. ND: manuscript and illustration preparation. TJG: manuscript preparation and review.