About the Authors

Juan Carlos González-Avella

Affiliation Instituto de Física, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil

Mario G. Cosenza

mcosenza@ula.ve

Affiliation Centro de Física Fundamental, Universidad de los Andes, Mérida, Mérida, Venezuela

Maxi San Miguel

Affiliation IFISC, Instituto de Física Interdisciplinar y Sistemas Complejos (CSIC-UIB), Palma de Mallorca, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: JCGA MGC MSM. Contributed reagents/materials/analysis tools: JCGA MGC MSM. Wrote the paper: JCGA MGC MSM.