1. Center for Psycho-Oncology; Helen Dowling Institute; Bilthoven The Netherlands
2. Department Anesthesiology, Pain and Palliative Care/Expertise Center for Palliative Care; Radboud University Medical Center; Nijmegen The Netherlands
3. Faculty of Theology and Religious Studies; University of Groningen; Groningen The Netherlands
4. Faculty of Behavioral and Movement Sciences; Free University; Amsterdam The Netherlands