About the Authors

Damián E. Strier

Affiliation Service de Chimie Physique and Center for Nonlinear Phenomena and Complex Systems, Université Libre de Bruxelles, Brussels, Belgium

Silvina Ponce Dawson

To whom correspondence should be addressed. E-mail: silvina@df.uba.ar

Affiliation Departamento de Física, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellón I, University of Buenos Aires, Buenos Aires, Argentina

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SP. Performed the experiments: DS. Analyzed the data: DS. Wrote the paper: SP DS.