- Correspondence to Dr Chris Carlsten, Gordon and Leslie Diamond Health Care Centre, The Lung Center, Vancouver General Hospital (VGH), 2775 Laurel Street, 7th floor, Vancouver, BC, Canada V5Z 1M9;
- Received June 6, 2015
- Revised October 2, 2015
- Accepted October 19, 2015
- First published November 16, 2015.
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