About the Authors

Emiliano Pérez Ipiña

Affiliation Departamento de Física, FCEN-UBA, and IFIBA, CONICET, Ciudad Universitaria, Pabellón I, (1428) Buenos Aires, Argentina

Silvina Ponce Dawson

silvina@df.uba.ar

Affiliation Departamento de Física, FCEN-UBA, and IFIBA, CONICET, Ciudad Universitaria, Pabellón I, (1428) Buenos Aires, Argentina

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SPD. Performed the experiments: EPI SPD. Analyzed the data: EPI SPD. Wrote the paper: SPD.