Meng, Zhaolin
Zou, Kun
Song, Suhang
Wu, Huazhang
Han, Youli
Funding for this research was provided by:
National Natural Science Foundation of China (71774113)
Article History
Received: 7 July 2021
Accepted: 23 February 2022
First Online: 1 March 2022
Declarations
:
: All methods were performed in accordance with the relevant guidelines and regulations. This study was approved by the medical ethics review board of Capital Medical University. This analysis used secondary data, and the authors did not require direct contact with participants, thus consent to participate was waived by the medical ethics review board of Capital Medical University.
: Not applicable.
: Authors declare that they have no competing interests.