- Correspondence to Dr Lindsay McLaren, Department of Community Health Sciences and O’Brien Institute for Public Health, University of Calgary TRW3, 3280 Hospital Dr. NW Calgary, Alberta, Canada, T2N 4Z6(403) 210-9424;
- Received 27 February 2017
- Revised 29 June 2017
- Accepted 8 July 2017
- Published online 7 September 2017.
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