About the Authors

Elisa Tamburo

elisatamburo@libero.it

Affiliation Dipartimento Scienze della Terra e del Mare (DiSTeM), University of Palermo, Palermo, Sicily, Italy

Daniela Varrica

Affiliation Dipartimento Scienze della Terra e del Mare (DiSTeM), University of Palermo, Palermo, Sicily, Italy

Gaetano Dongarrà

Affiliation Dipartimento Scienze della Terra e del Mare (DiSTeM), University of Palermo, Palermo, Sicily, Italy

Luigi Maria Edoardo Grimaldi

elisatamburo@libero.it

Affiliation U.O. Neurologia, Fondazione Istituto San Raffaele “G. Giglio” di Cefalù, Cefalù, Sicily, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ET DV GD. Performed the experiments: ET DV GD. Analyzed the data: ET DV GD LMEG. Contributed reagents/materials/analysis tools: ET DV GD. Wrote the paper: ET DV GD LMEG.