Text and Data Mining valid from 2019-08-27
Received: 27 November 2018
Accepted: 13 August 2019
First Online: 27 August 2019
Ethics approval and consent to participate
: This study was approved by the Nepean Blue Mountains Local Health District Human Research Ethics Committee (study ref: 14/34) and did not require individual patient consent due to its retrospective and observational nature.
: Consent for use of de-identified images contained in this article was given by the individuals involved.
: The authors declare that they have no competing interests.