1. Department of Neurosciences and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy
2. Robert Hollman Foundation, 35143 Padova, Italy
3. Robert Hollman Foundation, 28821 Cannero Riviera, Italy
4. Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, 35131 Padua, Italy
5. Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy