Wang, Jian
Liu, Huaqiang
Tian, Lin
Wang, Fachen
Han, Liangbo
Zhang, Wei
Bai, Yun-an
Article History
Received: 12 September 2016
Accepted: 21 November 2016
First Online: 28 November 2016
Compliance with Ethical Standards
: The use of all tissue specimens was approved by the Hospital Ethics Committee of Weifang Yidu Central Hospital. The entire participant provides their written informed consent to participate in the study.
: The authors declare that they have no conflicts of interest.
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