Received: 26 April 2020
Accepted: 26 January 2021
First Online: 15 February 2021
Change Date: 16 August 2021
Change Type: Update
Change Details: The Additional File 2 was added to this article.
Change Date: 16 March 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/S12913-021-06261-2
Ethics approval and consent to participate
: Ethics approval was granted by the UNSW Health Research Ethics Committee. Consent was provided by participants through a tick box when returning the survey.
: Not applicable.
: Associate Professor Reema Harrison is an Associate Editor for BMC Health Services Research.