About the Authors

Francesco Pappalardo

Contributed equally to this work with: Francesco Pappalardo, Ivan Martinez Forero

Affiliation University of Catania, Catania, Italy

Ivan Martinez Forero

Contributed equally to this work with: Francesco Pappalardo, Ivan Martinez Forero

Affiliation CIMA and CUN University of Navarra Pamplona, Pamplona, Spain

Marzio Pennisi

Affiliation University of Catania, Catania, Italy

Asis Palazon

Affiliation CIMA and CUN University of Navarra Pamplona, Pamplona, Spain

Ignacio Melero

imelero@unav.es

Affiliation CIMA and CUN University of Navarra Pamplona, Pamplona, Spain

Santo Motta

Affiliation University of Catania, Catania, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FP IMF. Performed the experiments: FP IMF AP MP. Analyzed the data: FP IMF MP AP SM IM. Wrote the paper: FP IMF MP AP SM IM.