1. Department of Clinical Nutrition, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
2. School of Public Health, Zhengzhou University, Zhengzhou, China
3. Department of Radiology, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
4. Defects Prevention, NHC Key Laboratory of Birth Defects Prevention & Henan Key Laboratory of Population Defects Prevention, Zhengzhou, China
5. Department of Clinical Nutrition, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, China