Institution: | 1. Division of Endocrinology and Metabolism, Center for Osteoporosis and Metabolic Bone Diseases, Department of Internal Medicine, Central Arkansas Veterans Healthcare System, University of Arkansas for Medical Sciences, Little Rock, AR, USA;2. Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA;3. Department of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, AR, USA;4. Hospital for Special Surgery, New York, NY, USA |