1. Center of Expertise Palliative Care, Leiden University Medical Center, Leiden, the Netherlands
2. Department of Hematology, Leiden University Medical Center, Leiden, the Netherlands
3. Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands
4. Mathematical Institute, Leiden University, Leiden, the Netherlands
5. Department of Internal Medicine, Leiden University Medical Center, Leiden, the Netherlands
6. Department of Emergency Medicine, Leiden University Medical Center, Leiden, the Netherlands
7. Department of Radiation Oncology, Leiden University Medical Center, the Netherlands