- Correspondence to Dr Wan Tan, University of British Columbia, UBC iCapture Centre for CardioPulmonary Research, St Paul's Hospital, Rm 166, 1081 Burrard Street, Vancouver, BC, Canada V6Z 1Y6;
- Received November 30, 2011
- Accepted March 25, 2012
- First published April 29, 2012.
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