Funding for this research was provided by:
Zhejiang Provincial Health Department Project (2018260820)
Department of Education of Zhejiang Province (Y201738256)
Received: 12 December 2019
Accepted: 2 June 2020
First Online: 9 June 2020
Ethics approval and consent to participate
: The Institutional Review Board of Zhejiang Provincial People’s Hospital approved this study.
: The authors report no conflict of interest.