Du, Han
Li, Gang
Zheng, Qiang
Yang, Jie
Funding for this research was provided by:
PKU-Baidu Fund (2020BD037)
National Key R&D Program of China (2018YFC0807303)
Article History
Received: 8 August 2021
Accepted: 15 January 2022
First Online: 19 January 2022
Declarations
:
: All procedures performed in the study involving human participants were in accordance with the ethical standards of the Institutional Review Board and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Written informed consent was not required for this study because all the included patients in the present investigation were collected retrospectively. Exemption of informed consent will not affect the rights and health of the included patients. The application for free informed consent was approved by the Institutional Review Board.
: The authors declare no competing interests.