1. Department of Epidemiology University of California, Los Angeles Fielding School of Public Health Los Angeles California USA
2. Department of Biostatistics University of California, Los Angeles Fielding School of Public Health Los Angeles California USA
3. Kaiser Permanente Division of Research Oakland California USA
4. Department of Epidemiology and Biostatistics University of California, San Francisco San Francisco California USA
5. Department of Community Health Sciences University of California, Los Angeles Fielding School of Public Health Los Angeles California USA
6. Department of Public Health Sciences University of California Davis School of Medicine Davis California USA
7. Alzheimer's Disease Center University of California Davis Health Sacramento California USA
8. Department of Environmental Health Sciences Columbia University Mailman School of Public Health New York New York USA