Kang, Fenhong
Wang, Yanlong
Luo, Yaping
Zhang, Yongjun
Funding for this research was provided by:
Youth scientific research project of Fujian Health and Family Planning Commission (2015-2-51)
Article History
Received: 31 December 2019
Accepted: 14 April 2020
First Online: 28 April 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Ethics Committee of Zhongshan hospital. All participants signed the informed consent.
: Not applicable.
: The authors declare that they have no competing interest.