- Correspondence to Dr A S Turk, Department of Radiology and Radiological Sciences, Medical University of South Carolina, 96 Jonathan Lucas Street, CSB 210, Charleston, SC 29425, USA;
- Received 16 January 2014
- Revised 4 February 2014
- Accepted 5 February 2014
- Published in print 1 May 2014.
- Published online 9 April 2014.
- Published first 25 February 2014.
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