- Correspondence to Dr Ajay Malhotra, Department of Diagnostic Radiology, Yale School of Medicine, Box 208042, Tompkins East 2, 333 Cedar St, New Haven, CT 06520-8042, USA;
- Received January 6, 2015
- Revised May 4, 2015
- Accepted May 4, 2015
- First published June 4, 2015.
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