1. Northern General Hospital; Department of Trauma and Orthopaedics; Herries Road Sheffield UK S5 7AU
2. Leeds Teaching Hospitals NHS Trust Royal Infirmary; Department of General Surgery; Beckett Street Leeds UK LS9 7TF
3. The University of Nottingham; Cochrane Schizophrenia Group; Institute of Mental Health University of Nottingham Innovation Park, Jubilee Campus Nottingham UK NG7 2TU