Spatial-temporal parameters during unobstructed walking in people with Parkinson's disease and healthy older people: a public data set - Penedo, Tiago; Kalva-Filho, Carlos Augusto; Cursiol, Jônatas Augusto; Faria, Murilo Henrique; Coelho, Daniel Boari; Barbieri, Fabio Augusto (Frontiers in Aging Neuroscience, 2024)