1. Department of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
2. Cancer Center, KYS, Kuopio University Hospital, Kuopio, Finland
3. Kajaani University of Applied Sciences, Kajaani, Finland
4. Faculty of Medicine, University of Oulu, Oulu, Finland
5. Department of Clinical Oncology, Turku University Hospital, Turku, Finland
6. Department of Clinical Oncology, University of Turku, Turku, Finland
7. Department of Oncology, Oulu University Hospital, Oulu, Finland
8. Faculty of Medicine, Palliative Care Unit and University of Helsinki, Comprehensive Cancer Center, Helsinki University Hospital, Helsinki, Finland
9. Faculty of Medicine and Health Technology, University of Tampere, Tampere, Finland
10. Department of Oncology, Palliative Care Centre, Tampere University Hospital, Tampere, Finland