Funding for this research was provided by:
the Fundamental Research Funds for Xi'an Jiaotong University (SK2020019)
China Postdoctoral Science Foundation (2020M683444)
Social Science Foundation of Shaanxi Province (2020M007)
Article History
Received: 29 September 2020
Accepted: 4 January 2021
First Online: 25 January 2021
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of Biomedical Ethics Committee of the Medical Department of Xi’an Jiaotong University. Informed consent was obtained from all individual participants included in the study.
: Written informed consent for publication was obtained from all participants.
: The authors declare that they have no conflict of interest.