Received: 19 November 2019
Accepted: 4 August 2020
First Online: 3 September 2020
Ethics approval and consent to participate
: Approval for this study was obtained from the research ethics board of our university, and operational approval was granted from our local health region. The study was then carried out in accordance with the approved protocol. The requirement for patient consent was waived during ethical review.
: No consent for publication required.
: No competing interests to declare.