1. Spinal Unit, Montecatone Rehabilitation Institute, Imola, Italy
2. Spinal Unit, IRCCS Fondazione S. Lucia, Rome, Italy
3. Spinal Rehabilitation (SpiRe) Lab, IRCCS Fondazione S. Lucia, Rome, Italy
4. Specialization School in Physical Medicine and Rehabilitation, Tor Vergata University, Rome, Italy
5. Center for Clinical Epidemiology of the School of Medicine, University of Ferrara, Ferrara, Italy