Text and Data Mining valid from 2018-11-14
Received: 13 February 2018
Accepted: 30 October 2018
First Online: 14 November 2018
Ethics approval and consent to participate
: The study was approved by the Deakin University Faculty of Health Human Ethics Advisory Group (HEAG-H; approval HEAG-H 95_2015). All men provided informed, verbal consent to participate. The ethics committee approved the procedure for verbal consent, and waived the requirement for written consent to reduce the participant burden associated with obtaining consent in written form.
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.