1. Department of Environmental & Occupational Health Sciences; University of Washington; Seattle Washington
2. Department of Pediatrics; University of Washington and Seattle Children's Hospital; Seattle Washington
3. Department of Epidemiology; University of Washington; Seattle Washington
4. Kaiser Permanente Washington Health Research Institute; Seattle Washington
5. Harborview Injury Prevention and Research Center; Seattle Washington
6. Institute for Work and Health; Seattle Washington
7. Department of Biobehavioral Nursing and Health Systems; University of Washington; Seattle Washington
8. Department of Biostatistics; University of Washington; Seattle Washington
9. Department of Medicine; University of Washington; Seattle Washington