Received: 5 September 2019
Accepted: 3 June 2020
First Online: 1 July 2020
Ethics approval and consent to participate
: This study was reviewed by our regional ethics board (Hamilton Integrated Research Ethics Board) and felt to be qualified as a quality improvement study. Formal ethics approval was deferred.
: Not applicable—no individual personal data is presented.
: The authors declare that they have no competing interests.