“…Among 17 studies, 6 studies collected symptoms using a smartphone accelerometer and gyroscope [ 16 , 20 , 21 , 24 , 25 , 28 ]. Further, 7 studies used wearable devices [ 20 , 23 , 26 , 27 , 31 , 33 , 35 ], which included a smartwatch [ 20 , 33 ], a smart insole [ 20 ], an actigraph such as a Fitbit [ 23 ], and sensors attached to the ankle [ 31 , 35 ], chest [ 26 ], or wrist [ 26 ]. Task performance was assessed in 9 studies [ 16 , 20 , 21 , 24 , 25 , 29 , 30 , 34 , 35 ].…”