About the Authors
- Nilminie Rathnayake
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* E-mail: Nilminie.Rathnayake@ki.se
Affiliation Karolinska Institutet, Department of Dental Medicine, Division of Periodontology, Stockholm, Sweden
- Sigvard Åkerman
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Affiliation Malmö University, Faculty of Odontology, Department of Oral Diagnostics, Malmö, Sweden
- Björn Klinge
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Affiliations Karolinska Institutet, Department of Dental Medicine, Division of Periodontology, Stockholm, Sweden, Malmö University, Faculty of Odontology, Department of Periodontology, Malmö, Sweden
- Nina Lundegren
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Affiliation Malmö University, Faculty of Odontology, Department of Oral Diagnostics, Malmö, Sweden
- Henrik Jansson
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Affiliation Malmö University, Faculty of Odontology, Department of Periodontology, Malmö, Sweden
- Ylva Tryselius
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Affiliation Karolinska Institutet, Department of Dental Medicine, Division of Periodontology, Stockholm, Sweden
- Timo Sorsa
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Affiliation University of Helsinki, Helsinki University Central Hospital, Department of Oral and Maxillofacial Diseases, Helsinki, Finland
- Anders Gustafsson
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Affiliation Karolinska Institutet, Department of Dental Medicine, Division of Periodontology, Stockholm, Sweden
Competing Interests
The authors have declared that no competing interests exist. Prof. Timo Sorsa, University of Helsinki, Finland, is an inventor of US-Patent #5736341 on/describing/addressing technology on oral fluid diagnostic MMP-8 immunoassay, and this technology has been utilized in their paper. The patent is owned by Oy Medixbiochemica Ab/Ltd, Kauniainen, Finland, and according to the contract between Prof. Timo Sorsa and Medix Biochemica Oy/Ab/Ltd Prof. Timo Sorsa has received royalties from the Medix-company. Prof. Timo Sorsa confirms that this does not alter their adherence to all PLOS ONE polices on sharing data and materials.
Author Contributions
Conceived and designed the experiments: NR SÅ BK AG HJ. Performed the experiments: NL HJ SÅ YT. Analyzed the data: NR SÅ BK TS AG. Contributed reagents/materials/analysis tools: SÅ NL BK HJ TS. Wrote the paper: NR HJ SÅ BK TS AG.