Funding for this research was provided by:
Wuxi Municipal Bureau on Science and Technology (CSE31N1720)
Six Talent Peaks Project in Jiangsu Province (YY-124)
Article History
Received: 2 May 2020
Accepted: 15 July 2020
First Online: 20 July 2020
Ethics approval and consent to participate
: Ethical approval for the study was granted by the Clinical Research Ethics Committee, Wuxi Maternal and Child Health Hospital Affiliated to Nanjing Medical University.
: All authors read the final manuscript and agreed to publish it.
: The authors declare no conflict of interest.