1. Multiple Sclerosis Center; Neuroscience Area, Neuroscience, Aging, Head and Neck and Orthopaedics Sciences Department; Fondazione Policlinico Universitario Gemelli; Catholic University of Sacred Heart; Rome Italy
2. Fondazione Don Gnocchi-ONLUS; Milan Italy
3. Liver Transplant Medicine Unit; Gastroenterological Area, Gastroenterological and Endocrino-Metabolical Sciences Department; Fondazione Policlinico Universitario Gemelli; Catholic University of Sacred Heart; Rome Italy