1. Division of Infectious Diseases and HIV Medicine, Department of Medicine, University Hospitals Case Medical Center, Cleveland, Ohio, USA
2. Microbiology Service, Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, Maryland, USA
3. Department of Pathology, Case Western Reserve University and University Hospitals Case Medical Center, Cleveland, Ohio, USA
4. Geriatric Research, Education and Clinical Center, Louis Stokes Cleveland VA Medical Center, Cleveland, Ohio, USA
5. Department of Medicine, Wayne State University and Detroit Medical Center, Detroit, Michigan, USA
6. Infectious Diseases Section, Medical Service, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, Cleveland, Ohio, USA
7. Infection Control and Prevention, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, Cleveland, Ohio, USA
8. Research Service, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, Ohio, USA
9. Institute for Infectious Diseases, Faculty of Medicine, University of Bern, Bern, Switzerland
10. Department of Pharmacology, Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, Ohio, USA