1. Division of Endocrinology and Metabolism, Center for Osteoporosis and Metabolic Bone Diseases, University of Arkansas for Medical Sciences, Little Rock, Arkansas
2. Knowledge and Evaluation Research Unit in Endocrinology, Division of Endocrinology, Diabetes, Metabolism and Nutrition, Department of Medicine, Mayo Clinic, Rochester, Minnesota
3. Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Florida, Gainesville, Florida
4. Division of Endocrinology, Department of Internal Medicine, University Hospital “Dr. Jose E. Gonzalez,” Autonomous University of Nuevo León, 66455 Monterrey, Mexico
5. Plataforma INVEST Medicina UANL-KER Unit (KER Unit México), Universidad Autónoma de Nuevo León, Monterrey, Mexico
6. Division of Endocrinology, Department of Medicine, National University of Ireland, Galway, Ireland
7. Division of Endocrinology, Diabetes, Metabolism and Nutrition, Department of Medicine, Mayo Clinic, Rochester, Minnesota
8. Central Arkansas Veterans Healthcare System, Little Rock, Arkansas