1. Department of Chemistry, School of Arts and Sciences, The Johns Hopkins University, Baltimore, Maryland 21218; Department of Pediatrics, Women & Infants' Hospital, Brown University, School of Medicine, Providence, Rhode Island 02905; Department of Medicine, Stanford University School of Medicine, Stanford, California 94305; Laboratorium Experimentele Geneeskunde en Endocrinologie, Katholieke Universiteit Leuven, Herestraat 49, 8-3000 Leuven, Belgium; Department of Chemistry, Northeastern University, 360...