1. Pharmacology Unit, Department of Medical and Surgical Sciences, Alma Mater Studiorum, University of Bologna, Bologna, Italy
2. Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway/The Norwegian Multiple Sclerosis Competence Centre, Department of Neurology, Haukeland University Hospital, Bergen, Norway
3. Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway/The Norwegian Multiple Sclerosis Competence Centre, Department of Neurology, Haukeland University Hospital, Bergen, Norway/Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
4. Epidemiology and Biostatistics Service, IRCCS Institute of Neurological Sciences of Bologna, Bologna, Italy
5. Department of Medical and Surgical Sciences, Alma Mater Studiorum, University of Bologna, Bologna, Italy/ Center for the Study and Treatment of the Autoimmune Diseases of the Liver and Biliary System, Policlinico di Sant’Orsola, Bologna, Italy