1. Food Safety and Inspection Service, Washington, District of Columbia.
2. Division of Foodborne, Waterborne, and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia.
3. Technical University of Denmark, Copenhagen, Denmark.
4. Decisionalysis Risk Consultants, Inc., Ottawa, Ontario, Canada.
5. Oregon Department of Human Services, Salem, Oregon.
6. Colorado School of Public Health, Aurora, Colorado.
7. Food Safety and Inspection Service, Atlanta, Georgia.