1. Department of Epidemiology Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences Guangzhou Guangdong China
2. Department of Obstetrics Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences Guangzhou Guangdong China
3. Department of Environmental Health Sciences University at Albany, State University of New York Albany New York USA
4. Department of Epidemiology and Biostatistics University at Albany, State University of New York Albany New York USA
5. Department of Cardiac Surgery Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences Guangzhou Guangdong China
6. Department of Neonatology Panyu General Hospital Guangzhou Guangdong China
7. Department of Echocardiography Panyu Maternal and Child Care Service Centre Guangzhou Guangdong China
8. Department of Echocardiography Huadu Maternal and Child Care Service Centre Guangzhou Guangdong China
9. Department of Neonatology Zhuhai Maternal and Child Care Service Center Zhuhai Guangdong China
10. Department of Neonatology Boai Hospital of Zhongshan Zhongshan Guangdong China