1. From Mount Sinai School of Medicine (D.C.H.), New York, NY; Johns Hopkins University (G.L.F.), SHHS Coordinating Center, Baltimore, Md; University of Wisconsin Medical School (F.J.N., T.Y.), Madison, Wis; Case Western Reserve University and Rainbow Babies and Children’s Hospital (S.R.), Cleveland, Ohio; MedStar Research Institute (H.E.R.), Hyattsville, Md; University of California at Davis (J.A.R.), Sacramento, Calif; and Columbia University (T.G.P.), College of Physicians and Surgeons, Department...