About the Authors

Sébastien Viel

Affiliation Groupe DPA, Pôle 3C - UMR 6149, Université de Provence & CNRS, Marseille, France

Marianne Vaugoyeau

Affiliation Groupe DPA, Pôle 3C - UMR 6149, Université de Provence & CNRS, Marseille, France

Christine Assaiante

christine.assaiante@univ-provence.fr

Affiliation Groupe DPA, Pôle 3C - UMR 6149, Université de Provence & CNRS, Marseille, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MV CA. Performed the experiments: SV MV CA. Analyzed the data: SV MV. Contributed reagents/materials/analysis tools: MV CA. Wrote the paper: SV MV CA.