1. Laboratory of Growth Regulators, Faculty of Science, Palacký University & Institute of Experimental Botany of the Czech Academy of Sciences, Šlechtitelů 27, Olomouc 783 71, Czech Republic
2. Department of Neurology, Faculty of Medicine and Dentistry, Palacký University, Olomouc 779 00, Czech Republic
3. Department of Neurology, University Hospital Olomouc, Olomouc 779 00, Czech Republic