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. North Carolina Department of Health and Human Services, Raleigh, North Carolina, USA
3. Collier County Health Department, Naples, Florida, USA
4. Florida Department of Health, Tallahassee, Florida, USA
5. National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
6. Office of Pesticide Programs, U.S. Environmental Protection Agency, Washington, DC, USA