- Correspondence to Dr Kaveh Shojania, Department of Medicine, University of Toronto, Sunnybrook Health Sciences Centre, 2075 Bayview Avenue, Rm H468, Toronto, Ontario, Canada M4N 3M5;
- Accepted 10 May 2013
- Published in print 1 July 2013.
- Published online 18 June 2013.
- Published first 6 June 2013.
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