1. State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123
2. Department of Radiology, The Second Affiliated Hospital of Soochow University, Suzhou 215004
3. Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou 215004