1. Department of Obstetrics and Gynecology, Nanfang Hospital Southern Medical University Guangzhou Guangdong China
2. Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, Department of Reproductive Medicine, Hainan Provincial Clinical Research Center for Thalassemia, The First Affiliated Hospital of Hainan Medical University Hainan Medical University Haikou Hainan China
3. Key Laboratory of Tropical Translational Medicine of Ministry of Education Hainan Medical University Haikou Hainan China