1. Project and Knowledge Management/Care Development intensive care, Care Directorate, Heart and Diabetes Center NRW, University Hospital of the Ruhr University Bochum, Bad Oeynhausen, Germany
2. International Graduate Academy, Institute for Health and Nursing Science, Medical Faculty, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
3. Surgical intensive care unit E 0.1, Heart and Diabetes Center NRW, University Hospital of the Ruhr University Bochum, Bad Oeynhausen, Germany
4. Care Development, Care Directorate, Heart and Diabetes Center NRW, University Hospital of the Ruhr University Bochum, Bad Oeynhausen, Germany
5. Institute of Nursing Science, Medical Faculty and University Hospital Cologne, University of Cologne, Germany
6. Institute for Health and Nursing Science, Medical Faculty, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
7. 7 Clinic for Thoracic and Cardiovascular Surgery, Heart and Diabetes Center NRW, University Hospital of the Ruhr University Bochum, Bad Oeynhausen, Germany