Tracking symptoms progression in the early stages of Parkinson's disease (PD) is a
laborious endeavor as the disease can be expressed with vastly different phenotypes,
forcing clinicians to follow a multi-parametric approach in patient evaluation, looking for not
only motor symptomatology but also non-motor complications, including cognitive decline,
sleep problems and mood disturbances. Being neurodegenerative in nature, PD is expected
to inflict a continuous degradation in patients' condition over time. The rate of symptoms …