Lin, Yi
Mei, Qiuhong
Qian, Xujun
He, Tianfeng
Funding for this research was provided by:
the Medical Technology Program Foundation of Zhejiang, China (2018KY730, 2018KY680)
Zhejiang Public Welfare Fund (LGF19H260010)
Ningbo Science & Technology Bureau (2019A610391)
Article History
Received: 25 September 2019
Accepted: 7 January 2020
First Online: 29 January 2020
Ethics approval and consent to participate
: This study was conducted according to the guidelines proposed by Ningbo Municipal Center for Disease Control and Prevention and all procedures involving human subjects were approved by Institutional Review Board of Ningbo Municipal CDC [No. IRB 201603]. Written and verbal informed consent was obtained from all participants.
: Not applicable.
: All authors have read and approved the final manuscript. All authors declare no conflicts of interest.