Received: 21 February 2019
Accepted: 4 October 2019
First Online: 17 October 2019
Ethics approval and consent to participate
: The study protocol was approved by the University of Manitoba Health Research Ethics Board. Data access was approved by the Health Information Privacy Committee. Consent to participate was not required as all data has been anonymized.
: Not applicable.
: The authors declare that they have no competing interests.