1. Department of Chemistry and Pharmacy, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
2. Department of Mathematics, University of Salerno, Via Giovanni Paolo II, 132 – 84084 Fisciano (SA), Italy
3. Department of Engineering and Computer Science and Mathematics, University of L’Aquila, Via Vetoio, Loc, Coppito – 67100 L’Aquila (AQ), Italy
4. Department of Chemistry ‘Ugo Schiff’ & CSGI, University of Firenze, Via della Lastruccia, 3 – 50019 Sesto Fiorentino (FI), Italy
5. Sorbonne Université, CNRS UMR 8234, PHysico-chimie des Electrolytes et Nanosystémes InterfaciauX, PHENIX, F-75005 Paris, France
6. Department of Physical Science, Earth and Environment, University of Siena, Pian dei Mantellini, 44 – 53100 Siena (SI), Italy