1. Division of Laboratory Systems, Center for Surveillance, Epidemiology, and Laboratory Services, Centers for Disease Control and Prevention, Atlanta, GA, USA
2. State Hygienic Laboratory at the University of Iowa, Coralville, IA, USA
3. Quality Systems and Analytics, Association of Public Health Laboratories, Silver Spring, MD, USA
4. Laboratory SolutionZ, Helena, MT, USA
5. Illinois Department of Public Health Laboratory, Carbondale, IL, USA
6. New Hampshire Public Health Laboratories, Concord, NH, USA
7. Montana Laboratory Services Bureau, Helena, MT, USA