1. Department of Endocrinology and Internal Medicine (C.A.C., A.A.G., L.M.M., J.A.M., C.E.F.), 114-D Santiago, Chile
2. Division of Endocrinology (D.G.R., C.E.G.-S.), University of Mississippi Medical Center and the G. V. Montgomery Veterans Affairs Medical Center, Jackson, Mississippi 39216
3. Faculty of Medicine and Center for Genomics and Bioinformatics (A.G., T.O.P.-A.), Pontificia Universidad Católica de Chile, 114-D Santiago, Chile
4. Department of Nephrology (E.T.L., M.d.P.H., M.P.R.), Hospital San Juan de Dios, Santiago, Chile