Rotenberg, Martin
Tuck, Andrew
McKenzie, Kwame
Article History
Received: 28 June 2017
Accepted: 25 August 2017
First Online: 2 September 2017
Ethics approval and consent to participate
: Ethics approval was obtained from the Centre for Addiction and Mental Health’s research ethics board for research protocol #108/2012–01.
: Not applicable.
: The authors declare that they have no competing interests.
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