1. Department of Research & Development, Netherlands Comprehensive Cancer Organization (IKNL), Utrecht, the Netherlands
2. Netherlands Association for Palliative Care (PZNL), Utrecht, the Netherlands
3. Department of Clinical Sciences Lund, Institute for Palliative Care, Lund University, Lund, Sweden
4. Department of Public Health, Erasmus MC, Erasmus University Medical Center, Rotterdam, The Netherlands
5. Department of Medical Oncology, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
6. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
7. R&D Department, Stockholms Sjukhem Foundation, Stockholm, Sweden