1. Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, USA
2. Department of Social Sciences and Health Policy, Wake Forest School of Medicine, Winston-Salem, NC, USA
3. Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, NC, USA
4. Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA
5. Rheumatology Department, Institute of Bone and Joint Research, Kolling Institute, University of Sydney, Sydney, Australia
6. Institute of Anatomy, Paracelsus Medical University, Salzburg, Austria
7. Department of Radiology, Boston University School of Medicine, Boston, MA, USA
8. Thurston Arthritis Research Center, University of North Carolina School of Medicine, Chapel Hill, NC, USA
9. Department of Kinesiology, East Carolina University, Greenville, NC, USA