1. Department of Mathematical and Informatics Sciences, Physical Sciences and Earth Sciences of Messina University, Messina, Italy;
2. CISFA – Interuniversity Consortium of Applied Physical Sciences, Messina, Italy;
3. Department of Biochemical and Dental Sciences and Morphological and Functional Image, University of Messina, Messina, Italy;
4. Istituto Nazionale di Alta Matematica “F. Severi” – INDAM – Gruppo Nazionale per la Fisica Matematica – GNFM, Rome, Italy;
5. Le Studium, Loire Valley Institute for Advanced Studies, Orléans, France;
6. Centre de Biophysique Moleculaire (CBM)-CNRS UPR 4301 du CNRS, rue Charles Sadron, Orleans Cedex 2, France;
7. Laboratoire Interfaces, Confinement, Matériaux et Nanostructures (ICMN) – UMR 7374 CNRS – Université d’Orléans, Orléans Cedex 2, France