Song, Wei
Zhang, Jingjing
Zhang, Jianbo
Sun, Miaomiao
Xia, Qingxin
Article History
Received: 26 December 2018
Accepted: 10 May 2019
First Online: 9 October 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of The Affiliated Cancer Hospital of Zhengzhou University.
: Not applicable.
: The authors declare that they have no competing interests.