1. Centers for Disease Control and Prevention, National Center for Environmental Health, Atlanta, Georgia, USA.
2. Southern Nevada Health District, Las Vegas, Nevada, USA.
3. New York City Department of Health and Mental Hygiene, New York, New York, USA.
4. Rhode Island Department of Health, Providence, Rhode Island, USA.
5. Tennessee Department of Health, Nashville, Tennessee, USA.
6. Harris County Public Health, Houston, Texas, USA.
7. New York State Department of Health, Empire State Plaza, Albany, New York, USA.
8. Minnesota Department of Health, St. Paul, Minnesota, USA.
9. California Department of Public Health, Sacramento, California, USA.
10. U.S. Food and Drug Administration, Retail Food Protection Staff, Office of Food Safety, College Park, Maryland, USA.