1 Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.
2 Department of Drug Sciences, University of Catania, Catania, Italy.
3 Department of Ophthalmology, University of Catania, Catania, Italy.
4 Regional Reference Center for Rare Diseases, Clinical Division of Hematology and Transplantation, PO Ferrarotto Hospital, Azienda Ospedaliera-Universitaria Policlinico-Vittorio Emanuele, Via Citelli, Catania, Italy.
5 Euromediterranean Institute of Science and Technology, Palermo, Italy.