Funding for this research was provided by:
Medtronic of Canada, Ltd.
Circle Cardiovascular Inc.
Heart and Stroke Foundation of Alberta
Calgary Health Trust
Received: 3 May 2017
Accepted: 24 April 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: This study was reviewed and approved by the University of Calgary Research Ethics Board, and a waiver of consent was granted for access to patient health information consistent with the conditions under section 50 of the Health Information Act of Alberta.
: The authors declare that they have no competing interests.
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