- Correspondence to Dr Dong-Hoon Kim, Department of Pathology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, 29 Saemunan-ro, Jongno-Gu, Seoul 03181, Republic of Korea;
- Received May 11, 2015
- Revised April 26, 2016
- Accepted May 2, 2016
- First published May 24, 2016.
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