Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC100703)
Received: 7 April 2021
Accepted: 13 July 2021
First Online: 20 September 2021
: This study was performed with the approval of the Medical Ethics Committee of Guangdong Women and Children Hospital, and written informed consent was obtained from the patients.
: Written informed consent was obtained from the patients.
: The authors declare that they have no conflict of interest.