J Clin Endocrinol Metab 2016 Mar 11;101(3):1166-73. Epub 2016 Jan 11.
Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Department of Medicine (M.L.G., A.E.K., R.A.W.); and Divisions of Biomedical Statistics and Informatics (E.R., P.T., M.A.H.) and Epidemiology (L.J.M.), Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota 55905; and Sanford University of South Dakota Medical Center (M.L.G.), Sioux Falls, South Dakota 57117.