- Correspondence to Dr Sheng-Hsiang Lin, Department of Internal Medicine, New Taipei City Hospital, No 2, Chung-Shan Road, San-Chong District, New Taipei City 24141, Taiwan;
- Received January 4, 2013
- Revised March 8, 2013
- Accepted July 9, 2013
- First published July 26, 2013.
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