Wang, Rukun
Li, Gaofeng
Zhuang, Guoyan
Sun, Shuying
Song, Zhihui
Article History
Received: 20 March 2019
Accepted: 23 May 2019
First Online: 4 June 2019
Ethics approval and consent to participate
: All participants signed written informed consent in this study. The research was approved by the Ethics Committee of Weifang Cancer Hospital.
: Not applicable.
: The authors declare that they had no competing interests.