1. Department of Dermatology Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology) Shenzhen China
2. Candidate Branch of National Clinical Research Center for Skin Diseases Shenzhen China
3. Department of Obstetrics Shijiazhuang Obstetrics and Gynecology Hospital Shijiazhuang China
4. National Research Institute for Family Planning Beijing China
5. Prenatal Diagnosis Center Shijiazhuang Obstetrics and Gynecology Hospital Shijiazhuang China
6. Department of Intensive Care Unit Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology) Shenzhen China