1. Department of Internal Medicine, Division of Infectious Diseases, University of Michigan Hospital and Health Systems, Ann Arbor, Michigan, USA
2. Department of Microbiology and Immunology, University of Michigan, Ann Arbor, Michigan, USA
3. Kaiser Permanente-NW, Portland, Oregon, USA
4. Southern California Permanente Medical Group Regional Reference Laboratories, North Hollywood, California, USA
5. Department of Laboratory Services, Division of Clinical Microbiology, York Hospital, York, Pennsylvania, USA
6. bioMérieux, Durham, North Carolina
7. Department of Microbiology, Barnes-Jewish Hospital, St. Louis, Missouri, USA
8. VA Boston Healthcare System, Boston, Massachusetts, USA
9. Clinical Microbiology Laboratories, Department of Pathology, University of Michigan Hospital and Health Systems, Ann Arbor, Michigan, USA
10. Department of Microbiology, Montana State University, Bozeman, Montana, USA