1. Department of Pathology and Laboratory Medicine, Henry Ford Health System, Detroit, Michigan, USA
2. Department of Pathology and Laboratory Medicine, Hennepin County Medical Center, Minneapolis, Minnesota, USA
3. Department of Pathology and Laboratory Medicine, University of Minnesota, Minneapolis, Minnesota, USA
4. Department of Medicine, Division of Infectious Diseases, University of Minnesota, Minneapolis, Minnesota, USA
5. Department of Pathology and Laboratory Medicine, Emory University, Atlanta, Georgia, USA
6. Department Medicine, Division of Infectious Diseases, Emory University, Atlanta, Georgia, USA
7. Department of Laboratory Medicine and Pathology, Division of Clinical Microbiology, Mayo Clinic, Rochester, Minnesota, USA
8. Department of Internal Medicine, Division of Infectious Diseases, Mayo Clinic, Rochester, Minnesota, USA