Text and Data Mining valid from 2020-02-26
Received: 8 July 2019
Accepted: 21 February 2020
First Online: 26 February 2020
Ethics approval and consent to participate
: Approval was granted from the Victoria University Human Ethics Committee. Boys’ parents provided informed consent for their son to participate using an online consent survey. Boys’ consent was implied by completion of the questionnaire.
: The authors declare that they have no competing interests.