1. Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway;
2. The Public Dental Service Competence Centre of Northern Norway, Tromsø, Norway;
3. Sámi Allaskuvla, Sámi University of Applied Science, Tromsø, Norway;
4. Regional Centre for Child, Youth Mental Health and Child Welfare North (RKBU Nord), UiT The Arctic University of Norway, Tromsø, Norway;
5. Department of Periodontology, Institute of Odontology, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden