1. Department of Pharmaceutical and Toxicological Chemistry, University of Naples “Federico II”, I-80131 Naples, Italy
2. Department of Pharmaceutical Science, University of Salerno, I-84084 Fisciano, Salerno, Italy
3. Department of Pharmaceutical Science, University of Bologna, I-40126 Bologna, Italy
4. Department of Drug Discovery and Development, Italian Institute of Technology, I-16163 Genova, Italy