Liu, Jianying
Yu, Wenjuan
Gao, Fei
Qi, Shuangshuang
Du, Juan
Ma, Xiaolong
Zhang, Yan
Zheng, Jie
Su, Jing http://orcid.org/0000-0002-4810-6096
Funding for this research was provided by:
National Natural Science Foundation of China (81802245)
Article History
Received: 14 February 2021
Accepted: 7 June 2021
First Online: 5 July 2021
Declarations
:
: This study received approval from the Ethics Committee of the Research Ethics Committee, Peking University Health Science Centre. Additional informed consent was not required by the ethics committee for this retrospective study.
: Not applicable.
: The authors declare that they have no competing interests.