Feng, Honglei
Li, Bole
Li, Ze
Wei, Qian
Ren, Li
Article History
Received: 22 October 2020
Accepted: 2 April 2021
First Online: 13 April 2021
Declarations
:
: All procedures performed in this study that involved human participants were approved by the Research Ethics Committee of Tianjin Medical University Cancer Institute and Hospital (bc20170112) and conformed to the ethical standards of the 1964 Helsinki Declaration.All subjects were over 18 years of age and voluntarily signed informed consent forms.
: Not applicable.
: The authors declare that they have no competing interests.