Article History
Received: 3 July 2019
Accepted: 27 October 2019
First Online: 6 November 2019
Ethics approval and consent to participate
: As this scoping review involved direct contact with health sites to confirm currency and confirmation of information, ethical approval was sought and provided by the University of South Australia Human Research Ethics Committee (Approval ID: 201308).
: Not applicable.
: The authors (LC and MTW) declare that they have no competing interests. Author KNJ is an Associate Editor for BMC Health Services Research.