1. Center of Genetics and Prenatal Diagnosis, Department of Obstetrics and Gynecology; The First Affiliated Hospital of Zhengzhou University; Zhengzhou China
2. Department of Rheumatology; The First Affiliated Hospital of Zhengzhou University; Zhengzhou China
3. Department of Obstetrics and Gynecology; The Zhengzhou Central Hospital of Zhengzhou University; Zhengzhou China