Institution: | 1. Warwick Orthopaedics, Warwick Medical School, University of Warwick, Coventry, and;2. Quality, Reliability, Safety and Teamwork Unit, Nuffield Department of Surgical Sciences,;3. Department of Surgery, Cedars‐Sinai Medical Center, Los Angeles, California, USA;4. Sa?d Business School and;5. Centre for Statistics in Medicine, University of Oxford, Oxford, UK, |