Daily-Life, Sensor-Derived Tremor Measures Are Sensitive to Progression in Early Parkinson's Disease Timmermans, N.A.; Bucur, I.G.; Soriano, D.C.; Post, E.; Bloem, B.R.; Helmich, R.C.G.; Evers, L.J.W. Objective: Sensitive outcome measures are critical for evaluating the efficacy of novel treatments for Parkinson's disease (PD). In this study, we assess the sensitivity to change of sensor-derived…