1. Expertise Center for Pain and Palliative Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands
2. Master Advanced Nursing Practice, HAN University of Applied Science, Nijmegen, The Netherlands
3. HR University of Applied Science, Rotterdam, The Netherlands
4. HAN University of Applied Science, Nijmegen, The Netherlands
5. Dimence Group Mental Health Care, Deventer, The Netherlands
6. University of Gent, Ghent, Belgium