- Address correspondence and reprint requests to Wei Guo, PhD, Laboratory of Pathology, Hebei Cancer Institute, the Fourth Hospital of Hebei Medical University, Jiankang Rd 12, Shijiazhuang 050011, Hebei, China. E-mail: .
- Received August 1, 2016
- Accepted October 2, 2016
- First published February 1, 2017.
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