1 H. Lee, PhD, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, University of Oxford, Windmill Road, Headington, Oxford, UK OX3 7LD, and School of Medicine and Public Health, University of Newcastle, New South Wales, Australia.
2 S.E. Lamb, MSc, MA, MCSP, Grad Dip Statistics, DPhil, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford.