Funding for this research was provided by:
NSW Department of Education, School Sport Unit (G1700722)
Text and Data Mining valid from 2019-04-04
Received: 10 December 2018
Accepted: 7 March 2019
First Online: 4 April 2019
Ethics approval and consent to participate
: Research has been performed in accordance with the declaration of Helsinki and has been approved by University of Newcastle, Australia Human Research Ethics Committee (No: H-2017-0240) (ExternalRef removed), and the New South Wales Department of Education (SERAP No: 2017368).
: Not applicable.
: The authors declare that they have no competing interests.
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