Funding for this research was provided by:
National Natural Science Foundation of China (81702130)
Natural Science Foundation of Shaanxi Province (2019JQ-143)
Received: 15 September 2020
Accepted: 19 January 2021
First Online: 26 January 2021
Ethics approval and consent to participate
: This study was approved by the medical ethics committee of the Second Affiliated Hospital of Xi’an Jiaotong University. All participants gave written informed consent and agreed for this study.
: Not applicable.
: The authors declare that they have no competing interests.