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Departments of Pediatrics (Endocrinology) (T.O.C., E.A.O., B.K.E.), Internal Medicine
(Endocrinology) (C.A.S., K.L.I.), Orthopaedics and Rehabilitation (T.O.C., C.M.G.),
and Diagnostic Radiology (Nuclear Medicine) (D.C.), Yale University School of Medicine,
New Haven, Connecticut 06520; and the Veterans Administration Cooperative Studies
Program Coordinating Center (JHZ), Veterans Affairs Connecticut Healthcare System,
West Haven, Connecticut 06516.