About the Authors

Antoine Popelut

Affiliation Department of Periodontology, Service of Odontology, Hôtel-Dieu Hospital, AP-HP, Paris 7 - Denis Diderot University, U.F.R. of Odontology, Paris, France

Fabien Valet

Affiliation Department of Biostatistics, Institut Curie, Paris, France

Olivier Fromentin

Affiliation Department of Prosthetic Dentistry, Service of Odontology, Hôtel-Dieu Hospital, AP-HP, Paris 7 - Denis Diderot University, U.F.R. of Odontology, Paris, France

Aurélie Thomas

Affiliation Library of Odontology, Paris 7 - Denis Diderot University, U.F.R. of Odontology, Paris, France

Philippe Bouchard

phbouch@noos.fr

Affiliation Department of Periodontology, Service of Odontology, Hôtel-Dieu Hospital, AP-HP, Paris 7 - Denis Diderot University, U.F.R. of Odontology, Paris, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PB. Performed the experiments: AP OF. Analyzed the data: FV PB. Contributed reagents/materials/analysis tools: AT. Wrote the paper: PB. Designed the study, analyzed data, and drafted the manuscript: PB. Collected data and coded data: AP OF. Revised the manuscript: AP OF FV FT. Advised on analysis and conducted analysis: FV. Advised on the search strategy and supervised the outcomes: FT.