1. Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, Pediatrics Section, University of Salerno, 84081 Baronissi, Salerno, Italy
2. Multiple Sclerosis Clinical Care and Research Centre, Department of Neuroscience, Reproductive Science and Odontostomatology, University of Naples Federico II, 80138 Naples, Naples, Italy
3. Department of Translational Medical Science, Section of Pediatrics, University of Naples Federico II, 80138 Naples, Naples, Italy
4. Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, Nutrition Section, University of Salerno, 84081 Baronissi, Salerno, Italy
5. Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, Pediatric Psychiatry Section, University of Salerno, 84081 Baronissi, Salerno, Italy