Affiliation: | aResearch Fellow, RCN Research Institute, University of Warwick, Senior Research Fellow, Trauma Unit, John Radcliffe Hospital, Oxford, United Kingdom;bRCN Research Institute, School of Health and Social Studies, University of Warwick, Coventry CV4 7AL, United Kingdom;cMatron, Trauma Unit, John Radcliffe Hospital, Oxford OX3 9DU, United Kingdom |