| Affiliation: | 2. Department of Rehabilitation Medicine, University of Kansas Medical Center, 3901 Rainbow Boulevard, Mailstop 1046, Kansas City, KS, 66160, USA;3. Department of Biostatistics and Epidemiology, Boston University, Boston, MA, USA;4. Department of Epidemiology, Boston University, Boston, MA, USA;6. Department of Epidemiology and Biostatistics, University of California-San Francisco, San Francisco, CA, USA;5. Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL, USA;11. Department of Radiology, Boston University, Boston, MA, USA;2. Centre for Orthopaedic & Trauma Research, The University of Adelaide, Adelaide, South Australia 5000, Australia;3. Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA;4. Orthopaedic and Trauma Service, The Royal Adelaide Hospital and the Central Adelaide Local Health Network, Adelaide, South Australia 5000, Australia |
