Text and Data Mining valid from 2018-05-02
Received: 1 November 2017
Accepted: 28 March 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: The study was approved by the North Coast NSW Human Research Ethics Committee (LNR116) on 24 April 2015. Return of the completed survey was accepted as consent. Additionally, the survey form sought written consent for follow-up of vaccination records.
: Not applicable.
: The authors declare that they have no competing interests.
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