6 Dipartimento Neuromuscoloscheletrico e Degli Organi di Senso, Azienda Ospedaliero-Universitaria di Careggi, Florence, Italy.
7 Department of Neurosciences, Azienda Ospedaliero Universitaria di Modena, Modena, Italy.
8 Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy.
9 Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy.
10 Department of Biomedical, Metabolic and Neural Sciences, Centre for Neuroscience and Nanotechnology, University of Modena and Reggio Emilia, Modena, Italy.
11 Department of Neurosciences, Reproductive Sciences and Odontostomatology, University of Naples Federico II, Naples, Italy.
12 Dipartimento di Scienze Mediche e Chirurgiche Avanzate, Università degli Studi della Campania "Luigi Vanvitelli", P.Zza Miraglia 2, Naples, Italy.
13 Department of Clinical and Experimental Sciences, NeMO-Brescia Clinical Center for Neuromuscular Diseases, University of Brescia, Brescia, Italy.
14 Department of Clinical and Experimental Sciences, Unit of Neurology ASST Spedali Civili Di Brescia, University of Brescia, Brescia, Italy.
15 ALS Center Azienda Ospedaliero Universitaria "Maggiore della Carità" e Università del Piemonte Orientale, Novara, Italy.
16 Department of Medicine and Surgery, University of Parma, Parma, Italy.
17 Dpt. Medical Specialties, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy.
18 U.O di Neurologia, Presidio Ospedaliero S.Maria Nuova Azienda USL, IRCCS di Reggio Emilia, Florence, Italy.
19 Center for Neuromuscular and Neurological Rare Diseases, San Camillo Forlanini Hospital, Rome, Italy.
20 Dipartimento di Neuroscienze Umane, Università di Roma "Sapienza" UOSD Malattie Neurodegenerative-Centro Malattie Rare Neuromuscolari, Policlinico Universitario Umberto I, Rome, Italy.
21 Dipartimento di Neuroscienze Umane, Università di Roma "Sapienza" UOSD Malattie Neurodegenerative-Centro Malattie Rare Neuromuscolari, Policlinico Universitario Umberto I, Rome, Italy. laura.libonati@uniroma1.it.