Li, Xu
Wang, Wenxiang
Zhou, Yong
Yang, Desong
Wu, Jie
Zhang, Baihua
Wu, Zhining
Tang, Jinming
Article History
Received: 20 August 2017
Accepted: 7 November 2017
First Online: 9 February 2018
Ethics approval and consent to participate
: This study was approved by the ethical committee of Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University.
: Not applicable
: The authors declare that they have no competing interests.
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