- Correspondence to Dr Yi-Ting Chen, Department of Internal Medicine, Buddhist Tzu Chi Hospital and Tzu Chi University, 707, Sec. 3, Chung-Yang Rd., Hualien 97002, Taiwan;
- Received January 15, 2015
- Revised February 13, 2015
- Accepted February 13, 2015
- First published March 10, 2015.
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