- Correspondence to Dr Dimitrios K Filippiadis, Second Department of Radiology, University General Hospital "ATTIKON"Medical School, National and Kapodistrian University of Athens, Haidari, Athens 12462, Greece;
- Received July 2, 2017
- Revised August 21, 2017
- Accepted August 24, 2017
- First published September 12, 2017.
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