1. Department of Nursing Research; University Hospital of Schleswig-Holstein; Campus Kiel, Brunswiker Str. 10, Kiel Germany
2. Department of Critical Care; Centre Hospitalier Emile Mayrisch; Esch-sur-Alzette Luxembourg
3. Nursing Education District Hospital of Reutlingen GmbH; Reutlingen Germany
4. Siegburg-Bonn; Germany
5. Nursing Education; District Hospital of Reutlingen GmbH; Reutlingen Germany
6. Department of Nursing Research; University Hospital of Schleswig-Holstein; Campus Lübeck Germany
7. Department of Anesthesia and Critical Care; University Hospital Heidelberg; Heidelberg Germany