End of life; End of life care; Hospice; Nursing home; Dying; Chronic pain; Acute pain; Pain therapy; Critically ill patients; Specialised outpatient palliative care; Tumour patients; Non-tumour patients; Relatives; Curriculum Palliative Medicine; Palliative care unit; Palliative care; Palliative measures; Palliative courses; Patient care; Patient autonomy; Pastoral care