Cynthia R Fata1, Eric A Gehrie2, Pampee P Young3,4. 1. Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN. 2. Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT. 3. Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN. pampee.young@vanderbilt.edu. 4. Department of Pathology, Tennessee Valley Healthcare System, Nashville, TN. pampee.young@vanderbilt.edu.