Funding for this research was provided by:
Department of Public Health, University of Otago, Wellington
Text and Data Mining valid from 2018-03-27
Received: 29 December 2017
Accepted: 15 March 2018
First Online: 27 March 2018
Ethics approval and consent to participate
: Ethics approval was obtained from the Department of Public Health, University of Otago (reference D16/100). All participants were at least 16 years old and provided written informed consent prior to completing our survey.
: Not applicable.
: The authors declare that they have no competing interests.
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