1. Endocrinology Service, Department of Medicine (H.B.B.), Walter Reed National Military Medical Center, Bethesda, Maryland 20889
2. Uniformed Services University of the Health Sciences (H.B.B.), Bethesda, Maryland 20814;
3. Endocrinology Service (K.D.B.), Washington Hospital Center, Washington, D.C. 20010
4. Georgetown University Medical Center (K.D.B.), Washington, D.C. 20007
5. Division of Endocrinology (D.S.C.), The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287