About the Authors
- Jonathan A. Cook, Craig R. Ramsay
- Health Services Research Unit, University of Aberdeen, Aberdeen, United Kingdom
- Andrew J. Carr, Jonathan L. Rees
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, and the National Institute for Health Research Biomedical Research Unit, University of Oxford, Oxford, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JAC CRR AJC JLR. Performed the experiments: JAC JLR. Analyzed the data: JAC CRR. Contributed reagents/materials/analysis tools: JAC CRR JLR. Wrote the paper: JAC CRR AJC JLR.