[1] Guangzhou Women and Children’s Medical Center,Clinical Data Center, Guangdong Provincial Clinical Research Center for Child Health
[2] Guangzhou Medical University,Department of Ultrasonography, Guangzhou Women and Children’s Medical Center
[3] Guangzhou Medical University,Prenatal Diagnosis Center of Guangzhou Women and Children’s Medical Center
[4] Guangzhou Medical University,undefined
[5] Medical Big Data Research Center,undefined
[6] Guangdong Provincial People’s Hospital/Guangdong Academy of Medical Sciences,undefined