1. Department of surgery Radboud University Medical Center Nijmegen The Netherlands
2. Nursing Science, Julius Center for Health Sciences and Primary Care University Medical Center Utrecht, Utrecht University Utrecht The Netherlands
3. Scientific center for Quality of Healthcare (IQ Healthcare) Radboud University Medical Center Nijmegen, Radboud Institute for Health Sciences Nijmegen The Netherlands
4. Department of Nursing Staff Tergooi Hospital Hilversum The Netherlands
5. Nursing Science, Department of Gerontology and Geriatrics Leiden University Medical Centre Leiden The Netherlands
6. Nursing Science Program in Clinical Health Sciences University Medical Center Utrecht, Utrecht University Utrecht The Netherlands