1. Department of Pathology and Cell Biology; Columbia University Irving Medical Center; New York-Presbyterian Hospital; New York New York
2. Transfusion Medicine and Cellular Therapy, Department of Pathology and Cell Biology; New York-Presbyterian Hospital; New York New York
3. AABB Center for Patient Safety, AABB; Bethesda Maryland
4. Department of Pathology and Laboratory Medicine; The University of Vermont Medical Center; Burlington Vermont