1. Department of Health Systems and Population Health University of Washington Seattle Washington USA
2. Department of Environmental and Occupational Health Sciences University of Washington Seattle Washington USA
3. Harborview Injury Prevention and Research Center Seattle Washington USA
4. Institute for Work and Health Toronto Ontario Canada
5. Western States Division, National Institute for Occupational Safety and Health Centers for Disease Control and Prevention Spokane Washington USA
6. Department of Health Policy and Management, Fay W. Boozman College of Public Health University of Arkansas for Medical Sciences Little Rock Arkansas USA
7. Division of Safety Research, Centers for Disease Control and Prevention National Institute for Occupational Safety and Health Morgantown West Virginia USA
8. New Jersey Department of Health Occupational Health Surveillance Unit Trenton New Jersey USA
9. Louisiana Department of Health Office of Public Health New Orleans Louisiana USA
10. New York State Department of Health Bureau of Occupational Health and Injury Prevention Albany New York USA