1. Department of Internal Medicine and Medical Specialties; Sapienza University of Rome; Rome Italy
2. Department of Medical-Surgical Sciences and Biotechnologies; Sapienza University of Rome; Latina Italy
3. IRCCS NeuroMed; Pozzilli Italy
4. Department of Experimental Medicine; Sapienza University of Rome; Rome Italy
5. McGill University Health Center Research Institute, Center for Outcomes Research and Evaluation; Montreal Canada
6. Department of Medical and Surgical Sciences; University of Catanzaro; Catanzaro Italy
7. First Department of Internal Medicine; Fondazione IRCCS Policlinico San Matteo, University of Pavia; Italy
8. Department of Medical and Surgical Sciences; University of Bologna; Bologna Italy
9. Unit of Internal Medicine 2, Department of Medical and Surgical Science for Children and Adults; University of Modena and Reggio Emilia; Modena Italy