- Correspondence to Professor Kun Xia and Zhengmao Hu, The State Key Laboratory of Medical Genetics, Central South University, 110 Xiangya Road, Changsha, Hunan 410078, China; and
- Received February 16, 2014
- Revised April 24, 2014
- Accepted May 13, 2014
- First published June 2, 2014.
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