Funding for this research was provided by:
Terry Fox Research Institute (2009-24)
Dr. Michele Williams Education and Research Fund
BC Cancer Foundation
University of British Columbia - Oral Cancer Research Fund
Received: 31 December 2021
Accepted: 24 March 2022
First Online: 7 May 2022
: This study was approved by the University of British Columbia Research Ethics Board (REB #H10–03153). This study was carried out in accordance with the principles of the Declaration of Helsinki. Due to the retrospective nature of this study, the need for a written, informed consent was waived by the University of British Columbia Research Ethics Board.
: Not applicable.
: The authors declare that they have no competing interests.