Article History
Received: 6 April 2020
Accepted: 26 August 2020
First Online: 10 September 2020
Ethics approval and consent to participate
: An opt-out consent process was approved by the Hunter New England Human Research Ethics Committee (HREC) in New South Wales, Australia, meaning that all eligible people were included in the ACORN Registry unless they specifically contacted the registry to opt out. This consent was informed by an HREC-approved written patient information sheet, given to and discussed with each patient during their pre-operative assessment. Ethical approval for this study was granted by the Hunter new England Human Research Ethics Committee (reference no. 12/11/21/5.02).
: Not applicable.
: The authors declare that they have no competing interests.