Tan, Xiangrong
Wang, Peng
Lou, Jianlin
Zhao, Jiazheng
Article History
Received: 6 November 2019
Accepted: 17 April 2020
First Online: 23 April 2020
Ethics approval and consent to participate
: The study protocol was designed and approved by the ethical committee of the Cancer Hospital of the University of Chinese Academy of Sciences.
: Informed consent was obtained from all patients.
: The authors declare that they have no competing interests.