1. Department of Laboratory Medicine, Yale School of Medicine , New Haven, CT , US
2. Division of Transfusion Medicine and Hemostasis, Department of Pathology, University of Texas Southwestern Medical Center , Dallas, TX , US
3. Department of Pathology, University of California San Diego , La Jolla, CA , US
4. Department of Pathology, Microbiology & Immunology, Vanderbilt University Medical Center , Nashville, TN , US
5. Department of Laboratory Medicine, Mayo Clinic , Rochester, MN , US
6. Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine , New Haven, CT , US
7. Department of Pathology and Genomic Medicine, Thomas Jefferson University Hospital , Philadelphia, PA , US
8. Department of Pathology, City of Hope National Medical Center , Irvine, CA , US