Marin, Helen http://orcid.org/0000-0003-2752-4157
Mayo, Patrick
Thai, Vincent
Dersch-Mills, Deonne
Ling, Spencer
Folkman, Frances
Chambers, Carole
Article History
Received: 4 June 2019
Accepted: 5 December 2019
First Online: 23 December 2019
Compliance with ethical standards
: Ethical approval was given by the Health Research Ethics Board Alberta Cancer Committee. Furthermore, we received a waiver of consent, as it was not feasible to obtain informed consent as the majority of patients would have passed away. Additionally, we restricted extracting only the limited data that was needed for our primary and secondary outcomes.
: The primary author has full control of all primary data and agrees to allow the journal to review the data if requested.
: The authors declare that they have no conflict of interest.