Zhao, Yuanyuan
Xu, Enwei
Yang, Xuanqin
Zhang, Yong
Chen, Hong
Wang, Ying
Jin, Mulan
Article History
Received: 27 January 2020
Revised: 12 March 2020
Accepted: 18 March 2020
First Online: 30 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was conducted with the approval of the ethics committee of the Shanxi cancer hospital, China (Reference number 201990).