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 Pathology, University of California San Diego , La Jolla, CA , USA
4. Department of Pathology, Brigham and Women’s Hospital , Boston, MA , USA
5. Department of Pathology, City of Hope National Medical Center , Irvine, CA , USA
6. Department of Pathology, Microbiology & Immunology, Vanderbilt University Medical Center , Nashville, TN , USA