Correction : Adherence and Satisfaction of Smartphone- and Smartwatch-Based Remote Active Testing and Passive Monitoring in People With Multiple Sclerosis: Nonrandomized Interventional Feasibility Study - Midaglia, Luciana (Universitat Autònoma de Barcelona. Departament de Medicina) ; Mulero, P. (Hospital Universitari Vall d'Hebron) ; Montalban, Xavier (University of Toronto) ; Graves, Jennifer (University of California) ; Hauser, Stephen L. (University of California) ; Julian, Laura (Genentech Inc) ; Baker, Michael (F Hoffmann-La Roche) ; Schadrack, Jan ; Gossens, Christian (F. Hoffmann-La Roche Ltd, Base) ; Scotland, Alf (F Hoffmann-La Roche) ; Lipsmeier, Florian (F Hoffmann-La Roche) ; van Beek, Johan (F Hoffmann-La Roche) ; Bernasconi, Corrado (F Hoffmann-La Roche) ; Belachew, Shibeshih (F Hoffmann-La Roche) ; Lindemann, Michael (Baden-Wuerttemberg Cooperative State University)