1. Child, School of Health and Welfare, Jönköping University, Jönköping, Sweden
2. Faculty of Health and Life Sciences, Department of Health and Caring Sciences, Linnaeus University, Växjö, Sweden
3. Child Health Services, Region Jönköping County, Jönköping, Sweden; and Department of Health, Medicine and Caring, Linköping University, Linköping, Sweden
4. Department of Women´s and Children´s health, Malmö University, Malmö, Sweden