Funding for this research was provided by:
NSW Government Office of Sport (SPRINTER research group recieves funding from NSW government Office of Sport)
Received: 18 July 2019
Accepted: 8 December 2019
First Online: 7 January 2020
Ethics approval and consent to participate
: This manuscript includes secondary analysis of population surveillance data. A data agreement is in place between the University of Sydney and the Australian Sports Commission which details rights to publish. In true partnership, colleagues of the Australian Sports Commission supported with the analysis and therefore an author on this paper.
: This manuscript involved secondary analysis of data which was handled in accordance with the data agreement we had in place with Sport Australia.
: All authors have no competing interests.