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1 From the Department of Pediatrics, Boston Medical Center, and the Department of Medicine, Boston Children's Hospital - both in Boston (A.P.-H.); and the Division of Hematology, Cincinnati Children's Hospital Medical Center, and the Department of Pediatrics, University of Cincinnati College of Medicine - both in Cincinnati (P.T.M.).
1 From the Department of Pediatrics, Boston Medical Center, and the Department of Medicine, Boston Children's Hospital - both in Boston (A.P.-H.); and the Division of Hematology, Cincinnati Children's Hospital Medical Center, and the Department of Pediatrics, University of Cincinnati College of Medicine - both in Cincinnati (P.T.M.).