- Correspondence to Professor D Sadovnick, S-113, Koerner Pavilion, VCHA–UBC Hospital, University of British Columbia, 2211 Wesbrook Mall, Vancouver, British Columbia V6T 2B5, Canada;
- Received March 26, 2012
- Revised April 17, 2012
- Accepted April 19, 2012
- First published May 23, 2012.
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