Institution: | 1. Oral Health Sciences, University of Kristianstad, Kristianstad, 29188, Sweden 2. School of Health Sciences, Blekinge Institute of Technology, Karlskrona, Sweden 3. School of Dental Science, Trinity College, Dublin, Ireland 4. Periodontology, Public Dental Health Services, Kristianstad, Sweden 5. Department of Oral Medicine, University of Washington, Seattle, WA, USA 6. Department of Periodontics, University of Washington, Seattle, WA, USA
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