1. Department of Medicine, University of Utah, Salt Lake City
2. George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah
3. Edward Hines Junior VA Hospital Cooperative Studies Program Coordinating Center, Hines, Illinois
4. VA Cooperative Studies Program, Clinical Research Pharmacy Coordinating Center, Albuquerque, New Mexico
5. School of Pharmacy, University of New Mexico, Albuquerque, New Mexico
6. National Institutes of Health/National Institute on Aging, Laboratory of Clinical Investigation, Baltimore, Maryland
7. University of Arizona Arthritis Center, University of Arizona, Tucson
8. VA San Diego Healthcare System, San Diego, California
9. Department of Medicine, San Diego VA Medical Center, San Diego, California
10. Department of Electrical & Computer Engineering, Brigham Young University, Provo, Utah
11. Department of Radiology, University of Utah, Salt Lake City
12. Department of Orthopedics, University of Utah, Salt Lake City
13. Department of Bioengineering, Imperial College London, London, United Kingdom