Zhang, Xiyu
Miao, Wenqing
Wu, Bing
Lai, Yongqiang
Jiao, Mingli
Xia, Qi
Zhang, Chenxi
Tian, Wanxin
Song, Zhe
Shan, Linghan
Hu, Lingqin
Han, Xinhao
Yin, Hui
Cheng, Xiaonan
Li, Ye http://orcid.org/0000-0001-8492-1808
Shi, Baoguo http://orcid.org/0000-0001-8073-0502
Wu, Qunhong http://orcid.org/0000-0002-2873-5266
Funding for this research was provided by:
China Postdoctoral Science Foundation (2016M590296)
Heilongjiang Provincial Postdoctoral Science Foundation (LBH-Z14166)
National Natural Science Foundation of China (72174047, 71874045, 71403073)
Heilongjiang Provincial Natural Science Foundation of China (LH2021G015)
Article History
Received: 10 March 2022
Accepted: 31 August 2022
First Online: 16 September 2022
Declarations
:
: The study was a database research project and did not involve any interventions or contact with patients, which is available to registered researchers. Individual patients were not identifiable. All experimental protocols were approved by the Biomedical Ethics Committee of Peking University (reference number IRB00001052–11015). The methods for this study followed all of the guidelines outlined in the Declaration of Helsinki and all of its later amendments. All participants in the survey signed or marked (if illiterate) the informed consent forms.
: Not applicable.
: The authors declare they have no competing interests.