1. Department of Neuroscience, Reproductive Science and Odontostomatology; Multiple Sclerosis Clinical Care and Research Center; University Federico II; Naples
2. Biostructure and Bioimaging Institute; National Research Council; Naples
3. Neuroradiology Unit; Department of Advanced Biomedical Sciences; University Federico II; Naples
4. Department of Public Health; University Federico II; Naples Italy
5. Department of Primary Care and Public Health; Imperial College; London UK