- Correspondence to Dr Li-Ta Keng, Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, No. 25, Lane 442, Section 1, Jingguo Road, Hsinchu 300, Taiwan;
- Received September 22, 2016
- Revised October 24, 2016
- Accepted October 30, 2016
- First published November 16, 2016.
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