Funding for this research was provided by:
Australian Research Council (LP160101523, LP130100702)
Received: 7 January 2018
Accepted: 5 April 2018
First Online: 27 June 2018
Ethics approval and consent to participate
: This study was approved by the Human Research Ethics Committee at UNSW Sydney. All participants written informed consent.
: All people pictured in Fig.InternalRef removedprovided written informed consent and appropriate photographic release.
: The authors declare that they have no competing interests.
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