Received: 17 April 2019
Accepted: 5 November 2019
First Online: 14 November 2019
Ethics approval and consent to participate
: Written informed consent was obtained from patients under approved Human Research Ethics Committee protocols from Edith Cowan University (No. 2932) and Sir Charles Gairdner Hospital (No.2007–123). De-identification of images was performed and written consent for publication attained.
: The authors declare that they have no competing interests.