1. Division of Endocrinology and Metabolism, Center for Osteoporosis and Metabolic Bone Diseases and Center for Musculoskeletal Disease Research University of Arkansas for Medical Sciences and Central Arkansas Veterans Healthcare System Little Rock AR USA
2. Department of Biomedical Informatics University of Arkansas for Medical Sciences Little Rock AR USA
3. Division of Endocrinology and Metabolism, Department of Medicine University of California San Diego La Jolla CA USA
4. Division of Cardiology, Department of Medicine University of California San Diego La Jolla CA USA