1. Department of Nursing Science, Sophiahemmet University, Stockholm, Sweden.
2. Division of Nephrology, Department of Clinical Sciences, Karolinska Institutet, Danderyd Hospital, Stockholm, Sweden.
3. Department of Clinical Sciences, Unit of Medical Ethics, Lund University, Lund, Sweden.
4. Department of Research, Region Kalmar County, Kalmar, Sweden.
5. Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
6. Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.