Demographic data of the study population.

<p>MMSE—Mini Mental State Examination. NA not applicable. Data are presented as means with standard deviation (SD).</p><p>Demographic data of the study population.</p

Antibodies titers in investigated subgroups.

<p>Data are presented as means with standard deviation (SD).</p><p>* p<0.05, significant difference in comparison to control;</p><p>† p<0.05, significant difference between Time-point #2 in comparison to Time-point #1, Tukey-Kramer post-hoc test.</p><p>Antibodies titers in investigated subgroups.</p

Clinical data of the study population.

<p>UPDRS-Unified Parkinson’s Disease Rating Scale.</p><p>Clinical data of the study population.</p