1. Department
of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro, 5, 00185, Rome, Italy
2. Ph.D.
Program in Physics, City University of New York, New York, New York 10016 United States
3. Department
of Chemical and Pharmaceutical Sciences, University of Ferrara, Via Fossato di Mortara, 44121 Ferrara, Italy