Zhang, Jing
Liu, Guangcong
Cui, Xiaoli
Yu, Huihui
Wang, Danbo
Article History
Received: 24 January 2021
Accepted: 24 May 2021
First Online: 11 June 2021
Declarations
:
: This study was reviewed and approved by the ethical committee of Liaoning Cancer Hospital and Institute (reference number 2020–0610). All the procedures have been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. All data was anonymised and informed consent was waived from the ethics committee of Liaoning Cancer Hospital and Institute.
: Not applicable.
: All authors declare there are no conflicts of interest.