Visual perturbation training to reduce visual dependency in Parkinson's disease: A randomized controlled trial. - Baggen, Remco J.; Van Bladel, Anke; Prins, Maarten R.; Stappers, Jennifer; Spildooren, Joke; De Letter, Miet; Bouche, Katie; Cambier, Dirk; Maes, Leen; Santens, Patrick (PLoS ONE, 2026)