Funding for this research was provided by:
University of Auckland (Senior Health Doctoral Scholarship)
Received: 5 October 2017
Accepted: 23 April 2018
First Online: 3 May 2018
Ethics approval and consent to participate
: Ethics approval was obtained from the University of Auckland Human Participants Ethics Committee (reference number 7625). Informed consent was obtained in writing from participants who completed the paper version of the questionnaire or electronically from participants who completed the questionnaire online, and all procedures were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000.
: The authors declare that they have no competing interests.
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