About the Authors
- Jean Vannier
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* E-mail: jean.vannier@univ-lyon1.fr
Affiliation Laboratoire de géologie de Lyon: Terre, Planètes, Environnement, Université de Lyon, Université Lyon 1, Villeurbanne, France
Competing Interests
The author has declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JV. Performed the experiments: JV. Analyzed the data: JV. Contributed reagents/materials/analysis tools: JV. Wrote the paper: JV.