1. Division of Surveillance, Hazard Evaluations, and Field Studies, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Cincinnati, Ohio, USA
2. California Environmental Protection Agency, Sacramento, California, USA
3. Public Health Institute, Oakland, California, USA
4. Texas Department of State Health Services, Austin, Texas, USA
5. Washington State Department of Health, Olympia, Washington, USA
6. Louisiana Department of Health and Hospitals, New Orleans, Louisiana, USA
7. Oregon Health Authority, Portland, Oregon, USA
8. Florida Department of Health, Tallahassee, Florida, USA
9. Michigan Department of Community Health, Lansing, Michigan, USA
10. New York State Department of Health, Troy, New York, USA
11. New Mexico Department of Health, Albuquerque, New Mexico, USA
12. Iowa Department of Public Health, Des Moines, Iowa, USA