1. Emory University School of Medicine (S.D.B., Y.L., G.A.H., M.R.), Department of Orthopaedic Surgery, and Atlanta Veterans Affairs Medical Center, Decatur, Georgia 30033;
2. University of California San Francisco School of Medicine (J.A.H., D.H.), Department of Orthopaedic Surgery, San Francisco, California 94143
3. Division of Endocrinology and Metabolism (F.L.T., M.S.N.), Emory University School of Medicine, Atlanta Veterans Affairs Medical Center, Decatur, Georgia 30033;