1. School of Health Sciences; University of Borås; Borås Sweden
2. Faculty of Medicine; Department of Health Sciences; Lund University; Lund Sweden
3. Institute of Health and Care Sciences; The Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
4. Centre for Health Care Sciences; Örebro University Hospital; Örebro Sweden
5. Faculty of Social Sciences; Department of Health Studies; University of Stavanger; Stavanger Norway