1. Key Laboratory for Major Obstetric Diseases of Guangdong Province The Third Affiliated Hospital of Guangzhou Medical University Guangzhou China
2. Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes The Third Affiliated Hospital of Guangzhou Medical University Guangzhou China
3. GuangZhou JingKe Biotech Co., Ltd Guangzhou China
4. Department of Fetal Medicine and Prenatal Diagnosis The Third Affiliated Hospital of Guangzhou Medical University Guangzhou China