Funding for this research was provided by:
Australian Research Council (LP110200153)
Cancer Council NSW (LP110200153)
National Breast Cancer Foundation (LP110200153)
Received: 17 May 2017
Accepted: 26 February 2018
First Online: 5 March 2018
Ethics approval and consent to participate
: We received ethics approval for the study from the Western Sydney University Human Research Ethics Committee (H9360), from Cancer Council New South Wales, Family Planning New South Wales, and Nepean Blue Mountains Local Health District, Westmead Hospital.
: All participants in this research provided consent for the data to be published.
: The authors declare that they have no competing interests.
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