Text and Data Mining valid from 2019-07-05
Received: 9 February 2019
Accepted: 28 June 2019
First Online: 5 July 2019
Ethics approval and consent to participate
: This study was approved by the University of British Columbia BC Cancer Research Ethics Board, The University of Ottawa Research Ethics Board and the Alberta Cancer Research Ethics committee (ACREC). For all jurisdictions, informed consent was waived by the respective research ethics boards.
: Not applicable.
: The authors declare that they have no competing interests.