Funding for this research was provided by:
Ningbo Municipal People's Government (PPXK2018–05, 2020HMKY42)
Article History
Received: 18 November 2020
Accepted: 16 March 2021
First Online: 25 March 2021
Declarations
:
: This study was reviewed and approved by human research ethics committee of Hwa Mei hospital, (No. PJ-NBEY-KY-2020-163-01) and the informed consent forms were signed by participants.
: The informed consent forms for publication were signed by participants.
: The authors declare that they have no competing interests.