1. Division of Haematology, AOU “Policlinico - Vittorio Emanuele”, University of Catania, Catania, Italy
2. Department of Biological, Geological and Environmental Sciences, University of Catania, Catania, Italy
3. Department of Drug Sciences, University of Catania, Catania, Italy
4. Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
5. EuroMediterranean Institute of Science and Technology, Palermo, Italy