1. Division of General Internal Medicine and Health Services Research, Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles
2. Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
3. HealthPartners Institute, Park Nicolette Clinic and University of Minnesota, Minneapolis
4. Division of Preventive Medicine, Department of Medicine, Harvard Medical School, Boston, Massachusetts
5. Mercy Health Osteoporosis and Bone Services, Cincinnati, Ohio
6. Center for Healthcare Policy and Research, Department of Medicine, University of California, Davis, Medical Center, Sacramento
7. Department of Obstetrics and Gynecology, Reading Hospital/Tower Health and Drexel University, Philadelphia, Pennsylvania
8. Department of Internal Medicine, Reading Hospital/Tower Health and Drexel University, Philadelphia, Pennsylvania
9. Department of Biochemistry and Molecular Medicine, University of California, Davis
10. Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego, La Jolla
11. Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis
12. Department of Epidemiology, School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
13. Division of Epidemiology & Community Health, University of Minnesota Medical School, Minneapolis