Funding for this research was provided by:
Natural Science Foundation of Zhejiang Province (LGD20H160004, LGF20H160029)
Text and Data Mining valid from 2020-02-12
Received: 5 October 2019
Accepted: 5 February 2020
First Online: 12 February 2020
Ethics approval and consent to participate
: This study was approved by Ethics Committee of Taizhou Central Hospital (No. 2017–015). Written informed consent was obtained from each individual in the study.
: Not applicable.
: The authors declare that they have no competing interests.