1. Crown Princess Victoria’s Child and Youth Hospital, and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
2. Department of Health, Medicine and Caring Sciences, Community Medicine, Linköping University, Linköping, Sweden
3. Department of Pediatric Dentistry, Institute for Postgraduate Dental Education, Jönköping, Sweden
4. Centre of Oral Health, School of Health and Welfare, Jönköping University, Jönköping, Sweden