[1] INAPP Italian Inst Social Med, Dept Sensorineural Disabil, I-00198 Rome, Italy
[2] Univ Catania, Dept Surg Med Sci & Adv Technol, Sch Med, I-95124 Catania, Italy
[3] Auximon Trainig Inst Transact Anal, I-00197 Rome, Italy
[4] Univ Verona, Dept Neurosci, Biomed & Movement Sci, I-37129 Verona, Italy
[5] Univ Padua, Dept Cardiac Thorac Vasc Sci & Publ Hlth, I-35122 Padua, Italy
[6] Local Hlth Unit 2 Marca Trevigiana, Dept Publ Hlth, I-31100 Treviso, Italy