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Article History

Received: 13 June 2018

Accepted: 4 February 2019

First Online: 14 February 2019

Ethics approval and consent to participate

: The study was performed in accordance with the Declaration of Helsinki and was approved by the Health Research Ethics Board of Alberta Cancer Committee (reference number HREBA.CC-16-0840). Informed consent was obtained in writing from each participant, and all participants in the study provided consent independently (in no cases was consent provided by a family member or surrogate decision maker in place of the participant). The consent process and assessment of decision making capacity of patients was performed in accordance with the Canadian Tri-Council Policy Statement 2, available at /), as well as the Guideline for Good Clinical Practice. Adherence to the criteria laid out in both of these documents have been approved by the ethics committee.

: Not applicable.

: The authors declare they have no conflicts of interest or competing interests.

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