1. Laboratory of Biology, Don C. Gnocchi Foundation, IRCCS (Research Hospital), Milan, Italy, Institute of Medical Microbiology, University of Milan, IRCCS, Milan, Italy
2. Laboratory of Biology, Don C. Gnocchi Foundation, IRCCS (Research Hospital), Milan, Italy
3. Neurological Clinic, University of Ferrara, IRCCS, Milan, Italy
4. Multiple Sclerosis Unit, Don C. Gnocchi Foundation, IRCCS, Milan, Italy