Text and Data Mining valid from 2019-08-19
Received: 4 March 2019
Accepted: 12 July 2019
First Online: 19 August 2019
Ethics approval and consent to participate
: Ethics approval was obtained from the Institutional Research Ethics Board of University of Saskatchewan (approval waived). Consent was obtained from the patient in writing.
: Informed patient consent was obtained in writing.
: The authors declare that they have no competing interests.