1. Center on Translational Neuroscience, College of Life and Environment Sciences Minzu University of China Beijing China
2. Department of Epidemiology, School of Public Health Harbin Medical University Harbin China
3. Department of Epidemiology, School of Public Health and Tropical Medicine Tulane University New Orleans Louisiana USA
4. Institute for Prevention and Control of Iodine Deficiency Disorders, Center for Control Endemic Diseases, Chinese Center for Disease Control and Prevention Harbin Medical University Harbin China
5. Beijing Children's Hospital Capital Medical University, National Center for Children's Health Beijing China
6. Children's Minnesota Research Institute Children's Hospitals and Clinics of Minnesota Minneapolis Minnesota USA
7. Department of Biostatistics, School of Public Health, Cheeloo College of Medicine Shandong University Jinan China