1. Research Group Nursing Diagnostics, Hanze University of Applied Sciences, Petrus Driessenstraat 3, 9714 CA Groningen, The Netherlands
2. Department of Critical Care, University Medical Centre Groningen, 9714 CA Groningen, The Netherlands
3. Nivel, Netherlands Institute for Health Services Research, 3513 CR Utrecht, The Netherlands
4. APH Amsterdam Public Health Research Institute, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands
5. Faculty of Medical Sciences, University Medical Center Groningen, 9714 CA Groningen, The Netherlands
6. Research Group Family Care, Hanze University of Applied Sciences, 9714 CA Groningen, The Netherlands