Ethics approval and consent to participate
All study procedures were reviewed and approved by the ethics committee of the Medical Ethics Committee of the Third People’s Huzhou Hospital of Zhejiang Province (Number 2018-030) and conducted according to the Declaration of Helsinki and subsequent revisions. All the participants provided their written informed consent to participate in this study. Researchers explained the study in detail, including the risks and benefits of participation. Participants were informed that their participation was optional and that they had the right to withdraw from the study at any time.