1Department of Anesthesia and Intensive Care, Papworth Hospital, Cambridge, England
2Department of Interventional Cardiology, Papworth Hospital, Cambridge, England
3Department of Critical Care Medicine, University of Calgary, ICU Administration - Ground Floor - McCaig Tower, Foothills Medical Center, 3134 Hospital Drive NW, Calgary, AB T2N 5A1 Canada
4Department of Critical Care Medicine, University Hospitals of Birmingham NHS Foundation Trust, Queen Elizabeth Hospital, Birmingham, England
© The Author(s). 2018
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