1. Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT, USA
2. Department of Pathology, Division of Transfusion Medicine and Hemostasis, University of Texas Southwestern, Dallas, TX, USA
3. Department of Dermatology, University of Connecticut Health, Farmington, CT, USA
4. Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA