Correction: Design and Evaluation of User-Centered Exergames for Patients With Multiple Sclerosis: Multilevel Usability and Feasibility Studies.
Alexandra SchättinStephan HäfligerAlain MeyerBarbara FrühSonja BöcklerYannic HungerbühlerEling D de BruinSebastian FreseRegula Steinlin EgliUlrich GötzRené BauerAnna Lisa Martin-NiedeckenPublished in: JMIR serious games (2021)
[This corrects the article DOI: 10.2196/22826.].