1 First Department of Neurology, St. Anne's University Hospital and Faculty of Medicine, Masaryk University, Brno, Czech Republic; Applied Neuroscience Research Group, Central European Institute of Technology, CEITEC MU, Masaryk University, Brno, Czech Republic. Electronic address: irena.rektorova@ceitec.muni.cz.
2 Parkinson's Disease and Movement Disorders Unit, IRCCS San Camillo Hospital, Venice, Italy.