1. Dipartimento
di Chimica e Tecnologie del Farmaco, Istituto Pasteur-Fondazione Cenci
Bolognetti, “Sapienza” Università di Roma, Rome, I-00185, Italy
2. Developmental
Therapeutics Branch and Laboratory
of Molecular Pharmacology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 37,
Room 5068, Bethesda, Maryland 20892-4255, United States
3. Department
of Life and Environmental Sciences, University of Cagliari, Cagliari, 09124, Italy