1. Department of Epidemiology and Biostatistics, School of Public Health Tianjin Medical University Tianjin China
2. Tianjin Key Laboratory of Environment, Nutrition and Public Health Tianjin China
3. Center for International Collaborative Research on Environment Nutrition and Public Health Tianjin China
4. Shandong Provincial Clinical Research Center for Emergency and Critical Care Medicine, Institute of Emergency and Critical Care Medicine of Shangdong University Qilu Hospital of Shangdong University Jinan China
5. Aging Research Center, Dept. Neurobiology, Care Sciences & Society Karolinska Institutet & Stockholm University Stockholm 17165 Sweden
6. Rush Alzheimer's Disease Center Rush University Medical Center Chicago Illinois USA