[1] Fdn IRCCS Ist Neurol Carlo Besta, Dept Clin Neurosci, Parkinson & Movement Disorders Unit, Milan, Italy
[2] Univ Ferrara, Dept Neurosci & Rehabil, Ferrara, Italy
[3] Univ Cagliari, Dept Med Sci & Publ Hlth, Cagliari, Italy
[4] Univ Siena, Dept Med Surg & Neurol Sci, Siena, Italy
[5] Fdn IRCCS Ist Neurol Carlo Besta, Dept Neurosurg, Funct Neurosurg Unit, Milan, Italy
[6] Fdn IRCCS Ist Neurol Carlo Besta, Unit Med Genet & Neurogenet, Milan, Italy
[7] Fdn IRCCS Ist Neurol Carlo Besta, Via G Celoria 11, I-20133 Milan, Italy