Correction and replacement for: Kern J, Böhringer J, Timmann D, Trollmann R, Stendel C, Kamm C, Röbl M, Santhanakumaran V, Groeschel S, Beck-Wödl S, Göricke S, Krägeloh-Mann I, Synofzik M.. Clinical, Imaging, Genetic, and Disease Course Characteristics in Patients With GM2 Gangliosidosis: Beyond...