PD characteristics.

UPDRS total, sum of section 3 of the Unified PD Rating Scale [62].UPDRS brady, sum of UPDRS section 3 last five items assessing body bradykinesia [26].H&Y, Hoehn & Yahr disease rating scale [63].MMSE, mini-mental status examination [64].PDQ total, sum of PD Quality of Life questionnaire [65], [66].RAPID1 (Rapid Assessment of Postural Instability in PD item 1), difficulty in performing activities of daily living (0 = no difficulty; 1 = difficulty) [67], [68].RAPID2, fear of falling (ranging from 1 = “no fear” to 10 “very fearful”).RAPID3, number of falls over the last three months (including near falls).Symptoms rating, self-reported rating of PD symptoms, ranging from 1 to 10: 1 = “very bad day” - symptoms are the worse compared to a typical day; 10 = “very good day” - symptoms are absent or minimal compared to a typical day).PD characteristics.