- Correspondence to Dr Eun Young Kim, Department of Radiology, Gachon University Gil Hospital #1198, Guwol-dong, Namdong-gu, Incheon 405-760, Republic of Korea;
- Received March 27, 2013
- Revised October 16, 2013
- Accepted November 10, 2013
- First published December 10, 2013.
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