Received: 14 July 2019
Accepted: 26 November 2019
First Online: 11 December 2019
Ethics approval and consent to participate
: Ethics Committee approval was obtained from the Institutional Ethics Committee of Quanzhou women’s and children’s hospital to the commencement of the study (2019No.13). We have got the informed consent from the study participants they agree to report on the study.
: We confirmed that all subjects participated in this study signed written informed consent for publication their own and their children’s genetic data and relevant information.
: The authors’ declare that they have nocompeting interests.