1. Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, Washington, USA
2. Department of Pathology and Laboratory Medicine, Children's Hospital Los Angeles, Los Angeles, California, USA
3. Keck School of Medicine, University of Southern California, Los Angeles, California, USA
4. Division of Infectious Diseases, Mount Auburn Hospital, Harvard School of Medicine, Boston, Massachusetts, USA
5. Department of Laboratory Medicine and Pathology, Mayo Clinic Arizona, Phoenix, Arizona, USA
6. Department of Internal Medicine, University of Utah, Salt Lake City, Utah, USA
7. Department of Pathology, University of Utah, Salt Lake City, Utah, USA
8. Division of Infectious Diseases, Department of Medicine, Rush University Medical Center, Chicago, Illinois, USA
9. Division of Laboratory Medicine, Department of Pathology, Rush University Medical Center, Chicago, Illinois, USA
10. Division of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
11. Division of Medical Microbiology and Virology, Providence Health Care, Vancouver, BC, Canada
12. Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
13. Clinical Microbiology Laboratory, University of North Carolina Hospitals, Chapel Hill, North Carolina, USA
14. Department of Pathology and Laboratory Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
15. Department of Pathology and Laboratory Medicine, University of Calgary, Alberta, Canada
16. Department of Microbiology & Infectious Diseases, University of Calgary, Alberta, Canada
17. Department of Laboratory Medicine, Cleveland Clinic, Cleveland, Ohio, USA
18. Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, College of Medicine, Mayo Clinic, Rochester, Minnesota, USA
19. Division of Infectious Diseases and Geographic Medicine, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
20. Department of Pathology, University of Texas Southwestern Medical Center, Dallas, Texas, USA