1. Department of Pharmacy, University of Pisa, Pisa, Italy;
2. Pathology Unit, Department of Molecular Biology and Translational Research, National Cancer Institute and Center for Molecular Biomedicine, Aviano (PN), Italy;
3. Department of Molecular Science and Nanosystems, Ca' Foscari Università di Venezia, Venezia-Mestre, Italy;
4. Department of Pharmaceutical Chemistry, Faculty of Life Sciences, University of Vienna, Vienna, Austria;
5. Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA, USA