Jeremy W Jacobs1, Laura Filkins2, Garrett S Booth3, Brian D Adkins2. 1. Department of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA. 2. Department of Pathology, University of Texas Southwestern, Dallas, Texas, USA. 3. Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA.