1. Nursing Research University Hospital Schleswig‐Holstein Kiel Germany
2. Department of Anaesthesiology and Critical Care Medicine University Medical Center Schleswig‐Holstein Kiel Germany
3. Centre for Care Excellence University Hospitals Coventry & Warwickshire NHS Trust Coventry, UK
4. Institute of Medical Informatics and Statistics, Kiel University University Hospital Schleswig‐Holstein Kiel Germany
5. Therapy Services University Hospitals Birmingham NHS Foundation Trust Birmingham, UK
6. University of Heidelberg Heidelberg Germany
7. Department of Anaesthesiology, University Hospital Mannheim Heidelberg Germany