Affiliation: | 1. Department of Pediatrics Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA;2. Division of Hematology, The Children's Hospital of Philadelphia, Philadelphia, PA, USA;3. Departments of Pathology & Laboratory Medicine, and Physiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA;4. Department of Pathology & Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, USA;5. Institute of Medical Biology, Polish Academy of Science, Lodz, Poland |