Affiliation: | 1. Department of Pathology, University of Missouri-Columbia School of Medicine, Columbia, MO 65212 USA;7. Division of Laboratory Medicine, Department of Pathology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110 USA;1. Department of Medicine, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110 USA |