1. Public Dental Service, Folktandvården Vännäs, Vännäs, Sweden;
2. Health Technology Assessment-Odontology (HTA-O), Faculty of Odontology, Malmö University, Malmö, Sweden;
3. Division of Cariology and Endodontology Department of Dental Medicine, Karolinska institutet, Huddinge, Sweden;
4. Department of Odontology, Umeå University, Umeå, Sweden