Article History
Received: 4 December 2018
Accepted: 21 May 2019
First Online: 24 May 2019
Ethics approval and consent to participate
: The study protocol has received ethical approval from the Hunter New England Human Research Ethics Committee (ref. 17/09/20/4.03). Written informed consent was obtained from all participants before the interviews.
: Not applicable.
: The authors declare that they have no competing interests.