- Correspondence to Dr Chia-Hung Kao, Graduate Institute of Clinical Medicine Science, College of Medicine, China Medical University, No. 2, Yuh-Der Road, Taichung 40447, Taiwan; ,
- Received January 31, 2013
- Revised May 15, 2013
- Accepted June 26, 2013
- First published August 7, 2013.
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