Received: 22 October 2018
Accepted: 12 June 2019
First Online: 2 July 2019
Ethics approval and consent to participate
: Approval to conduct this study was obtained from Hunter New England Human Research Ethics Committee (Ref. No. 06/07/26/4.04), University of Newcastle (Ref. No. H-2008-0343), and the Maitland-Newcastle Catholic Schools Office and was prospectively registered with Australian New Zealand Clinical Trials Register ACTRN12616001228471 and follows the CONSORT reporting guidelines for pilot studies. Informed consent was obtained from all parents of participating students.
: Not applicable.
: The authors declare that they have no competing interests. This manuscript has not been published – either in print or electronic form – or is being considered for publication elsewhere.