Inclusion criteria: | |
 Patients are eligible for inclusion if they are; | • diagnosed with (progression of) a solid tumour (stage IV) with metastases • additional criteria are in place for the following diagnosis:  - breast cancer (stage IV with metastases in multiple organ systems)  - prostate cancer (stage IV and Castrate-Resistant) • older than 18 years • able to complete a Dutch self-report questionnaire • able to understand the objective of the study and have signed the informed consent |
 Relatives of patients are eligible for inclusion if they are; | • indicated by the patient as relative • older than 18 years • able to complete a Dutch self-report questionnaire • able to understand the objective of the study and have signed the informed consent |
Exclusion criteria: | |
 Patients and their relatives are excluded for participation in the study if; | • they suffer from dementia • they have a history of severe psychiatric illness |