1. Geriatric Research Education & Clinical Center; Veterans Affairs Health Care System; Minneapolis MN USA
2. Center for Chronic Disease Outcomes Research; Veterans Affairs Health Care System; Minneapolis MN USA
3. Department of Medicine; University of Minnesota; Minneapolis MN USA
4. Division of Epidemiology and Community Health; School of Public Health; University of Minnesota; Minneapolis MN USA
5. Division of Endocrinology; Kaiser Permanente of Georgia; Atlanta GA USA
6. Division of Endocrinology; Emory University School of Medicine; Atlanta GA USA
7. Department of Epidemiology; University of Pittsburgh; Pittsburgh PA USA
8. Park Nicollet Institute; Minneapolis MN USA
9. Division of Health Policy and Management; University of Minnesota; Minneapolis MN USA
10. Bone and Mineral Unit; Oregon Health & Science University; Portland OR USA
11. Department of Medicine (Nephrology); College of Public Health and Health Professions & College of Medicine; University of Florida; Gainesville FL USA
12. Division of Rheumatology; Allergy and Clinical Immunology; Department of Medicine; University of California; Davis Davis CA USA