Erratum to: A 2-year observational study of patients with relapsing-remitting multiple sclerosis converting to glatiramer acetate from other disease-modifying therapies: the COPTIMIZE trial.
Ziemssen T, Bajenaru OA, Carrá A, De Klippel N, Correia de Sá J, Edland A, Frederiksen JL, Heinzlef O, Karageorgiou KE, Lander Delgado RH, et al.