Article History
Received: 29 March 2018
Accepted: 29 January 2019
First Online: 13 February 2019
Ethics approval and consent to participate
: This work was approved by cooperative agreement at the participating medical center; all included subjects were volunteers with given informed consent and were not recruited for this study. The University of Calgary Conjoint Health Research Ethics Board – Ethics ID 13–1372 confirms to ethics approval is required as no personal details of patients were being recorded or traced.
: Not applicable.
: The authors declare that they have no competing interests. The authors are not connected to or supported by DIERS.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.