Received: 21 January 2020
Accepted: 3 December 2020
First Online: 11 December 2020
Ethics approval and consent to participate
: Ethics approval was obtained from the Melbourne Dental School Human Ethics Advisory Group and University of Melbourne Human Research Ethics Committee (Ethics ID 1544156), Dental Health Services Victoria (DHSV) (ID 297), SA Health Human Research Ethics Committee (HREC Ref No. HREC/15/SAH/141), and Central Adelaide Local Health Network/South Australian Dental Service Evaluation and Research Unit (LNR SSA Ref No. AU/16/4353215). Informed consent was not obtained from individual participants as this was acknowledged to be unreasonable and withdrawal may potentially impact on the validity of the results of this study. This process was acknowledged by the relevant ethics committees with permission and support provided by each of the participating facilities.
: Not applicable.
: The authors declare that they have no competing interests.