Yang, Yang
Liu, Qilong
Cao, Lei
Sun, Wei
Gu, Xiaowei
Liu, Bin
Xiao, Na
Teng, Fei
Li, Xiaoli
Chen, Meiji
Yu, Weiguang
Lin, Huanyi
Xu, Guixing
Article History
Received: 27 December 2020
Accepted: 11 May 2021
First Online: 19 May 2021
Declarations
:
: This retrospective study was approved by the Institutional Review Board and Ethics Review Board of The Hebei Key Laboratory of Cancer Radiotherapy and Chemotherapy (No. 2320029). Patients’ informed consent was waived by the Ethics Review Boards. No administrative permissions were required to access the raw data.
: Not applicable.
: The authors declare that they have no competing interests.