1. Department of Epidemiology and Biostatistics, Michigan State University College of Human Medicine, East Lansing, Michigan, USA
2. Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, North Carolina, USA
3. Social & Scientific Systems, DLH Holdings Corporation, Durham, North Carolina, USA
4. Department of Surgery, University of Chicago, Chicago, Illinois, USA
5. Department of Population and Public Health Sciences, University of Southern California (USC), Los Angeles, California, USA
6. Department of Neurology, Keck School of Medicine of USC, Los Angeles, California, USA
7. Department of Environmental and Occupational Health Sciences, University of Washington School of Medicine (UW Medicine), Seattle, Washington, USA
8. Department of Medicine, UW Medicine, Seattle, Washington, USA
9. Department of Epidemiology, UW Medicine, Seattle, Washington, USA