Funding for this research was provided by:
Shenzhen Science and Technology Innovation Commission (JCYJ201908809183601667)
Article History
Received: 26 August 2019
Accepted: 29 September 2020
First Online: 13 October 2020
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Board of Shenzhen Baoan Women’s and Children’s Hospital.
: Not Applicable.
: The authors declare there are no potential conflicts of interest.