1. Department of Medical Chemistry, Biochemistry and Biotechnology, School of Medicine, University of Milan, Via Saldini 50, 20133 Milan, Italy
2. Dipartimento di Medicina, Chirurgia e Odontoiatria, Università di Milano, H. San Paolo, Via Di Rudini 8, 20142 Milan, Italy
3. Department of Chemistry, Purdue University, West Lafayette, IN 47907-1393
4. IRCCS H San Raffaele, Via Olgettina 60, 20132 Milan, Italy