1. Department of Clinical Sciences, Karolinska Institutet, Stockholm, Sweden.
2. Sophiahemmet University College, Stockholm, Sweden.
3. Department of Learning, Informatics, Management and Ethics, Karolinska Institutet, Stockholm, Sweden.
4. Department of Oncology/Pathology, Karolinska Institutet, Stockholm, Sweden.
5. Department of Palliative Care, Lund University, Lund, Sweden.