Effects of Virtual Reality–Based Multimodal Audio-Tactile Cueing in Patients With Spatial Attention Deficits: Pilot Usability Study. - Johannes Knobel, Samuel Elia; Kaufmann, Brigitte Charlotte; Geiser, Nora; Gerber, Stephan Moreno; Müri, René M.; Nef, Tobias; Nyffeler, Thomas; Cazzoli, Dario (JMIR Serious Games, 2022)