1. Department of Social and Health Care, VAMK University of Applied Sciences, Finland
2. School of Health, Kajaani University of Applied Sciences, Kajaani, Finland
3. Research Unit of Nursing Science and Health Management, University of Oulu, Finland
4. Faculty of Medicine and Health Technology, Tampere University, and Palliative Care Centre and Department of Oncology, Tampere University Hospital, Finland
5. Palliative Center, Turku University Hospital, and Department of Clinical Oncology, University of Turku, Finland