Acknowledgements
We thank the patients with Parkinson’s disease and healthy individuals for participation in our
study. Also, we would like to thank M.Sc. Eng. Łukasz Szumowski for his technical assistance
and the following PhD and Master‘s Students (stipendists in this grant) who helped by the data
collection: Bartosz Kamiński, Aleksandra Pawłowska, Katarzyna Śpik, Marcin Zawisza and
Katarzyna Moczulska.