Received: 7 May 2020
Accepted: 28 January 2021
First Online: 6 February 2021
Ethics approval and consent to participate
: This study was pre-approved by the Northern Sydney Local Health District (NSLHD) and included patients who had consented to the use of their oncologic and general medical data stored by the Northern Sydney Cancer Center for clinical follow-up and research purposes.
: Not applicable.
: The authors declare that they have no competing interests.