Funding for this research was provided by:
Natural Science Foundation of Shaanxi Province (2018JQ3040)
Article History
Received: 21 March 2020
Accepted: 14 July 2020
First Online: 23 July 2020
Ethics approval and consent to participate
: Written informed consent was obtained from all participants prior to their participation. The research protocol was approved by the Ethics Committee of Honghui Hospital of Xi’an Jiaotong University. The ethical approval was consistent with the standards of the Declaration of Helsinki.
: Not applicable.
: None.