1. Division of Laboratory Systems, Center for Surveillance, Epidemiology, and Laboratory Systems, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
3. University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
4. Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
5. American Society for Microbiology, Washington, DC, USA
6. University of North Carolina School of Medicine, Department of Pathology and Laboratory Medicine, Chapel Hill, North Carolina, USA