1. Department of Neurology, PA Micone Hospital, Genoa, Italy,
2. Italian Multiple Sclerosis Society, Genoa, Italy
3. Department of Neurosciences, Ophthalmology and Genetics and Center for Excellence for Biomedical Research, University of Genoa, Italy
4. Nuclear Medicine, Department of Diagnostic Imaging, University Hospital, San Martino, Genoa, Italy
5. Department of Surgery, Section of Lymphatic Surgery and Microsurgery, San Martino Hospital, Genoa, Italy
6. Department of Physiopathology, Experimental Medicine and Public Health, University of Siena, Italy