1. Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee.
2. Division of Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee.
3. Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, Tennessee.
4. Center for Vascular Biology, Vanderbilt University Medical Center, Nashville, Tennessee.
5. Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee.