About the Authors

Paul Vigne

Affiliations Institut National de la Santé et de la Recherche Médicale, Nice, France, Université de Nice Sophia Antipolis, Nice, France

Christian Frelin

To whom correspondence should be addressed. E-mail: cfrelin@unice.fr

Affiliations Institut National de la Santé et de la Recherche Médicale, Nice, France, Université de Nice Sophia Antipolis, Nice, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CF PV. Performed the experiments: CF PV. Analyzed the data: CF PV. Contributed reagents/materials/analysis tools: PV. Wrote the paper: CF.