- Correspondence to Dr Lili Dong, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University; and Shanghai Institute of Medical Imaging, 180 Fenglin Road, Shanghai 200032, China;
- Received December 28, 2014
- Revised February 1, 2015
- Accepted February 10, 2015
- First published June 10, 2015.
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