1. Section of Neurosciences; Department GF Ingrassia; University of Catania; Catania Italy
2. Department of Pediatrics; University of Catania; Catania Italy
3. Azienda Sanitaria Provinciale di Catania; Catania Italy
4. Intensive Neurorehabilitation Unit; ALS Centre; IRCCS ‘Salvatore Maugeri’ Foundation; Mistretta Italy
5. Neurology Unit; Cannizzaro Hospital; Catania Italy
6. Department of Neurology; Garibaldi Hospital; Catania Italy
7. Environmental and Food Hygiene Laboratory - LIAA; Department GF Ingrassia; University of Catania; Catania Italy