Reply to Letter to the Editor: 'Comparison of virtual reality rehabilitation and conventional rehabilitation in Parkinson's disease: a randomised controlled trial'
1 Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
2 Department of Neurorehabilitation, IRCCS Don Carlo Gnocchi, Milan, Italy.
3 Department of Movement, Human and Health Sciences, Division of Health Sciences, University of Rome Foro Italico, Rome, Italy.
4 Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Department of Geriatrics, Neurosciences and Orthopaedics, Università Cattolica del Sacro Cuore, Rome, Italy. Electronic address: luca.padua@unicatt.it.