[1] Karolinska Inst, Dept Dent Med, Div Oral Diagnost & Rehabil, Huddinge, Sweden
[2] Folktandvarden Stockholm AB, Dept Oral & Maxillofacial Surg, Eastmaninst, Stockholm, Sweden
[3] Linkoping Univ, Maxillofacial Unit Linkoping & Biomed & Clin Sci, Linkoping, Sweden
[4] Linkoping Univ, Dept Hlth Med & Caring Sci, Linkoping, Sweden
[5] Malmo Univ, Fac Odontol, Hlth Technol Assessment Odontol HTA O, Malmo, Sweden
[6] Karolinska Univ Hosp, Med Unit Reconstruct Plast & Craniofacial Surg, Stockholm, Sweden
[7] Folktandvarden Stockholm AB, Eastmaninst, Kakkirurgi Dalagatan 11,Box 6031, S-10231 Stockholm, Sweden