1. Department of Medical Sciences and Public Health University of Cagliari Cagliari Italy
2. Sleep Disorders Center Department of Medical Sciences and Public Health University of Cagliari Cagliari Italy
3. Department of Medical Sciences and Public Health, Neurology Unit University of Cagliari and AOU Cagliari Monserrato, Cagliari Italy
4. Department of Biomedical Sciences University of Cagliari Cagliari Italy