1. Public Dental Service, Region Kalmar County, Oskarshamn, Sweden
2. Department of Oral Diagnostics, Faculty of Odontology, Malmö University, Malmo, Sweden
3. Department of Cariology, Faculty of Odontology, Malmö University, Malmo, Sweden
4. Department of Orofacial Pain and Jaw Function, Faculty of Odontology, Malmö University, Malmo, Sweden