Affiliation: | Advanced Trainee in Intensive Medicine, Department of Critical Care, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK;Consultant in Anaesthesia and Intensive Care Medicine and NICE Scholar 2010–2011 for Evaluation of the Health Economic Benefits of NIV, Department of Critical Care, Northern General Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield S5 7AU, UK, Tel: +44 114 271 4195, Fax: +44 114 226 9342 |