Funding for this research was provided by:
Science Technology Department of Zhejiang Province (2014C33241)
Zhejiang Medical Science and Technology Project (2016ZDB001, 2018ZH001)
“1530”personnel training project from Zhejiang Hospital (2018-30-09)
National Health and Family Planning Commission of Scientific Research Fund of People’s Republic of China (WKJ2013-2-001)
Received: 12 September 2019
Accepted: 10 March 2020
First Online: 19 March 2020
Ethics approval and consent to participate
: The medical ethics committees of Zhejiang Hospital (2013–25) approved the entire study and written informed consent was obtained from each participant.
: Not applicable.
: The authors declare that they have no competing interests.