1. Department of Medical and Surgical Sciences, University of Modena, Pavullo-Modena, Italy
2. Villa Pineta Hospital, Pavullo n/F (Modena), Italy
3. Auxilium Vitae Rehabilitation Center, Volterra, Pisa, Italy
4. IRCCS-Maugeri Foundation of Veruno, Novara, Italy
5. IRCCS-Maugeri Foundation of Lumezzane, Brescia, Italy
6. San Giuseppe Hospital, Milano, Italy