- Correspondence to Dr Michael L Rekart, School of Population and Public Health, University of British Columbia, 2206 East Mall, Rm. 147, Vancouver, BC, Canada V6T 1Z3;
- Received 28 August 2016
- Revised 17 October 2016
- Accepted 29 October 2016
- Published in print 30 November 2016.
- Published online 16 January 2017.
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