1. Interdisciplinary Department of Medicine University of Bari, School of Medicine Piazza G. Cesare, 11 70124 Bari Italy
2. Department of Pharmacy - Drug Sciences University of Bari Aldo Moro via Orabona, 4 70125 Bari Italy
3. Institute of Crystallography CNR Via Amendola 122/o 70126 Bari Italy