1. Connecticut Department of Public Health; Occupational Health Unit; Hartford Connecticut
2. Connecticut Department of Public Health; Health Statistics & Surveillance, Survey and Research Unit; Hartford Connecticut
3. College of Public Health; University of Kentucky; Lexington Kentucky
4. Kentucky Department for Public Health; Chronic Disease Prevention Branch; Frankfort Kentucky
5. Michigan Department of Community Health; Lifecourse Epidemiology and Genomics Division; Lansing Michigan
6. Division of Occupational and Environmental Medicine; Michigan State University; East Lansing Michigan