Capital Medical University - Department of Non-Communicable Disease Management, Tulane University - Department of Epidemiology, Children's Minnesota Research Institute, Peking University - Department of Epidemiology and Biostatistics, Harbin Medical University - Institute for Iodine Deficiency Disorders Prevention and Control, Tulane University - Department of Epidemiology, Tulane University - Department of Epidemiology, Shandong University - Department of Biostatistics and Tulane University - Department of Epidemiology

affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Tulane University - Department of Epidemiology and Fudan University