Xu, Chen-yang
Liu, Can
Jin, Xiao-ju
Yang, Fan
Xu, Fang
Qian, Wan-Di
Guo, Wen-jun
Article History
Received: 19 March 2021
Accepted: 22 October 2021
First Online: 4 November 2021
Declarations
:
: The study is conducted according to the principles of the Declaration of Helsinki and has been approved by the Chinese Ethics Committee of Registering Clinical Trials (ChiECRCT20200295). The study was registered in the Chinese Clinical Trial Registry on November 30th, 2019 (ChiCTR1900027830). Written informed consent was obtained from all patients before participation.
: Not applicable.
: The authors declare that they have no competing interests.