Article History
Received: 13 October 2021
Accepted: 14 October 2021
First Online: 24 October 2021
Declarations
:
: Our Ethics Review Board (National Healthcare Group Domain-Specific Review Board) approved the study (approval number DSRB B/2013/00132). As the study is a retrospective observational one, the need for patient consent was waived.
: Not applicable.
: KCS has received honoraria and travel support from Medtronic and GE Healthcare. MTE and JMT have no conflicts of interest to declare.