1. Institute of Biochemistry and Clinical Biochemistry; Catholic University of Rome; Rome Italy
2. Neuroscience and Ophthalmology group; School of Clinical and Experimental Medicine; College of Medical and Dental Sciences; University of Birmingham; Birmingham UK
3. Division of Neurosurgery; Department of Neurosciences Head and Neck Surgery; S. Camillo Hospital; Rome Italy
4. Division of Medical Biochemistry; Department of Biomedical and Biotechnological Sciences; University of Catania; Catania Italy
5. National Institute for Health Research Surgical Reconstruction and Microbiology Research Centre; Queen Elizabeth Hospital; Birmingham UK