About the Authors
- Georgios Papantonopoulos
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* E-mail: ppntnpls@otenet.gr
Affiliation Center for Research and Applications of Nonlinear Systems, Department of Mathematics, University of Patras, Patras, Greece
- Keiso Takahashi
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Affiliation Department of Conservative Dentistry, School of Dentistry, Ohu University, Fukushima, Japan
- Tasos Bountis
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Affiliation Laboratory of Nonlinear Systems and Applied Analysis, Department of Mathematics, University of Patras, Patras, Greece
- Bruno G. Loos
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Affiliation Department of Periodontology, Academic Center for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University, Amsterdam, The Netherlands
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: GP BGL. Performed the experiments: GP BGL KT. Analyzed the data: GP TB. Contributed reagents/materials/analysis tools: BGL KT. Wrote the paper: GP BGL TB.