1. Genetic and Prenatal Diagnosis Center Department of Obstetrics and Gynecology The First Affiliated Hospital of Zhengzhou University Zhengzhou China
2. Department of Education The First Affiliated Hospital of Zhengzhou University Zhengzhou China
3. Department of Thrombosis and Hemostasis The First Affiliated Hospital of Zhengzhou University Zhengzhou China
4. Department of Pediatrics The First Affiliated Hospital of Zhengzhou University Zhengzhou China