1. South-East Scotland School of Anaesthesia, Edinburgh, UK; Anaesthesia, Critical Care and Pain, University of Edinburgh, Edinburgh, UK
2. Inova Heart and Vascular Institute, Falls Church, VA
3. Inova Heart and Vascular Institute, Falls Church, VA; Virginia Heart, Falls Church, VA
4. Department of Perioperative Medicine, Barts Heart Centre, London, UK; Clinic for Anaesthesiology and Intensive Care, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany; Department of Anaesthesiology and Intensive Care, German Heart Centre Berlin, Berlin, Germany; Queen Mary University of London, London, UK