1. Department of Health Sciences, Faculty of Medicine, Lund University, 221 00 Lund, Sweden
2. Research Unit for Clinical Nursing, Department of Internal Medicine, Copenhagen University Hospital Herlev and Gentofte, Herlev Ringvej 75, 2730 Herlev, Denmark
3. Department of Care Science, Faculty of Health and Society, Malmö University, 205 06 Malmö, Sweden