1. Department of Health Services Research, Care and Public Health Research Institute, Faculty of Health Medicine and Life Sciences, Maastricht University, Maastricht, the Netherlands
2. Zuyderland Care, Zuyderland Medical Centre, Sittard-Geleen, the Netherlands
3. Zuyd University of Applied Sciences, Heerlen, the Netherlands
4. Department of Research and Education, CIRO, Horn, The Netherlands