Affiliation: | (1) Department of Pathology and Laboratory Medicine, University of Pennsylvania Medical Center, F.7.030, 3400 Spruce St., 19104 Philadelphia, PA, USA;(2) Department of Pathology, University of New Mexico School of Medicine, Room 337D-BRF, 87131-5301 Albuquerque, NM, USA;(3) Department of Bone Marrow Transplant, Wood Center, Children's Hospital of Philladelphia, 34th and Civic Center Blvd., 19104 Philadelphia, PA, USA |