Funding for this research was provided by:
The sailing Fund for Scientific Research of Fujian Medical University (2017XQ1156)
Youth scientific research program of Fujian Provincial Healthy and Family Planning Commission (2016-1-30)
Received: 27 October 2019
Accepted: 25 August 2020
First Online: 16 September 2020
Ethics approval and consent to participate
: The ethics approval and consent to participate of this study have been approved by Fujian provincial hospital ethics committee. Written informed consent was obtained from participant.
: Written consent to publish this information was obtained from study participant.
: The authors declare that they have no competing interests.