1. Parkinson and Movement Disorders Unit; IRCCS Hospital San Camillo; Venice Italy
2. Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal Child Health; University of Genoa Genoa; Italy
3. Department of Biomedical and Neuromotor Sciences (DIBINEM); University of Bologna; Bologna Italy
4. I.R.C.C.S. Institute of Neurological Sciences of Bologna; Bellaria Hospital; Bologna Italy
5. Mediolanum Cardio Research; Milano Italy
6. Department of Neuroscience “Rita Levi Montalcini”; University of Turin; Torino Italy
7. Unità Operativa Complessa di Neurologia; Ospedale Misericordia; Grosseto Italy
8. Department of Neurological, Neuropsychological, Morphological and Motor Sciences; University of Verona; Italy
9. Dipartimento di Medicina Clinica e Sperimentale; Università di Messina; Messina Italy
10. Section of Neurosciences, Department GF Ingrassia; University of Catania; Catania Italy
11. SC Neurologia - Ospedale S. Corona - ASL2 Savonese
12. Department of Neuroscience, Biomedicine and Motor Sciences; University of Verona; Italy
13. Clinica Neurologica I Policlinico Universitario; Catania Italy
14. University of Medicine and Pharmacy “Victor Babes”; County Hospital, Department of Neurology; Timisoara Romania
15. Department of Neuroscience (DNS); University of Padua; Padua Italy