1. Division of Endocrinology and Metabolism, Department of Internal Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA.
2. Knowledge and Evaluation Research Unit, Division of Endocrinology, Diabetes, Metabolism and Nutrition, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA.
3. Department of Medicine, MetroWest Medical Center, Framingham, Massachusetts, USA.
4. Division of Endocrinology, Diabetes, Metabolism and Nutrition, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA.
5. Department of Endocrinology, Mayo Clinic Health System, Eau Claire, Wisconsin, USA.
6. Department of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA.
7. Division of Endocrinology, Department of Medicine, University of Florida, Gainesville, Florida, USA.
8. Plataforma INVEST Medicina UANL-KER Unit (KER Unit México), School of Medicine, Universidad Autónoma de Nuevo León, Monterrey, Mexico.
9. Division of Endocrinology, Department of Internal Medicine, University Hospital “Dr. Jose E. Gonzalez,” Autonomous University of Nuevo León, Monterrey, Mexico.
10. Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA.
11. Endocrine Section, Medicine Service, Central Arkansas Veterans Healthcare System, Little Rock, Arkansas, USA.