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 (Consorzio Interuniversitario di Scienze Fisiche Applicate), Messina, Italy
3. Le Studium, Loire Valley Institute for Advanced Studies, Orléans & Tours, Orléans, France
4. Centre de Biophysique Moleculaire (CBM), rue Charles Sadron, Laboratoire Interfaces, Confinement, Matériaux et Nanostructures (ICMN) – UMR 7374 CNRS, Université d’Orléans, Orleans, France
5. Istituto Nazionale di Alta Matematica “F. Severi” – INDAM – Gruppo Nazionale per la Fisica Matematica – GNFM, Rome, Italy