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Divisions of Endocrinology (S.P.A.T., D.M.L.J., T.S.), Urology (A.M.L.), Hypertension
and Radiology (M.E.S.B., C.C.C., L.A.B.), and Pathology (M.C.N.Z., S.A.C.S.), University
of São Paulo School of Medicine, Hospital das Clínicas and Heart Institute (INCOR),
São Paulo 01246-903, Brazil; and Division of Hematology and Oncology, Department of
Medicine, Cancer Therapy and Research Center (R.A.T., P.L.M.D.), Greehey Childhood
Cancer Research Institute, University of Texas Health Science Center at San Antonio,
San Antonio, Texas 78229.