- Correspondence to Dr Mayank Goyal, Department of Radiology, HBI, University of Calgary, Foothills Medical Center, 1403 29th St NW, Calgary, AB, Canada T2N 2T9;
- Received March 7, 2013
- Revised April 24, 2013
- Accepted May 14, 2013
- First published June 7, 2013.
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