Received: 18 February 2021
Accepted: 9 August 2021
First Online: 17 August 2021
: Original ethics approval was obtained from the University of Sydney Human Research Ethics Committee for the Mind Your Back Trial (2014/997). Further ethics approval, by way of ethics amendment, to contact the participants of the trial for interviews was later sought and approved by the same ethics committee. Participants for the interview provided written consent to participate in this research and were each assigned a non-identifiable pseudonym for anonymity and reporting purposes.
: Not applicable.
: The authors declare that they have no competing interests.