Affiliation: | 1. Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York;2. Cohen Children's Medical Center of New York, New Hyde Park, New York;3. Hemoglobin Diagnostic Reference Laboratory, Departments of Medicine, Pathology and Laboratory Medicine, Boston Medical Center, Boston, Massachusetts;4. Department of Pediatrics, Duke University Medical Center, Durham, North Carolina;5. Department of Pediatrics, Medical College of Wisconsin, Blood Research Institute, Children's Research Institute, Milwaukee, Wisconsin;6. Department of Hematology, St. Jude Children's Research Hospital, Memphis, Tennessee |