Funding for this research was provided by:
Postdoctoral Research Foundation of China (2020T130022ZX)
Received: 14 October 2020
Accepted: 25 February 2021
First Online: 18 March 2021
: The study was approved by Guangzhou Women and Children’s Medical Center(No. 202028500) and the Chinese Clinical Trial Registry (ChiCTR2000033284).
: Not applicable.
: All authors declare that they have no competing interests.