1. Department of Nursing and Health Promotion Faculty of Health Sciences OsloMet – Oslo Metropolitan University Oslo Norway
2. Division of Nursing Science Department of Social and Welfare Studies Linköping University Norrköping Sweden
3. Department of Pediatrics Department of Clinical and Experimental Medicine Linköping University Linköping Sweden
4. Faculty of Nursing University of Iceland Reykjavík Iceland
5. Hringurinn Children's Hospital Landspitali University Hospital Reykjavik Iceland