- Correspondence to Dr Chia-Ti Tsai, Division of Cardiology, Department of Internal Medicine, National Taiwan University College of Medicine and Hospital, No. 7, Chung-Shan South Road, Taipei 100, Taiwan; ;
- Received July 3, 2014
- Revised September 29, 2014
- Accepted October 1, 2014
- First published November 12, 2014.
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