| Authors: |
Qin LX; Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha 410013, China., Wang F; Institute of Nutritional Food and Child Health, Hunan Provincial Center for Disease Control and Prevention, Changsha 410153, China., Luo JY; Department of Maternal, Child and Adolescent Health, Xiangya School of Public Health, Central South University, Changsha 410013, China., Li KX; Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha 410013, China., Wan JL; Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha 410013, China., Luo MY; Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha 410013, China., Chen YH; Institute of Nutritional Food and Child Health, Hunan Provincial Center for Disease Control and Prevention, Changsha 410153, China. |