1. Division of Foodborne; Waterborne, and Environmental Diseases; National Center for Emerging and Zoonotic Infectious Diseases; CDC; Atlanta GA USA
2. Oak Ridge Institute for Science and Education; Oak Ridge TN USA
3. Environmental Protection Agency; Washington D.C. USA
4. Division of Emergency and Environmental Health Services; National Center for Environmental Health; CDC; Atlanta GA USA
5. Division of Healthcare Quality Promotion; National Center for Emerging and Zoonotic Infectious Diseases; CDC; Atlanta GA USA
6. Division of Bacterial Diseases; National Center for Immunization and Respiratory Diseases; CDC; Atlanta GA USA