- Correspondence to Elise Smith, Bioethics Programs, Department of Social and Preventive Medicine, University of Montreal, Montreal, Quebec, Canada;
- Received 6 February 2012
- Revised 16 March 2012
- Accepted 5 April 2012
- Published in print 1 November 2012.
- Published online 29 October 2012.
- Published first 3 May 2012.
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