Zhu, Chao, Zhou, Zhen, Alroughani, Raed, Lechner-Scott, Jeannette, Barnett, Michael, Izquierdo, Guillermo, Prat, Alexandre, Horakova, Dana, Havrdova, Eva Kubala, Macdonell, Richard, Patti, Francesco, Khoury, Samia Joseph, Roos, Izanne, Slee, M, Karabudak, R, Onofrj, M, Van Pesch, V, Prevost, J, Monif, M, Jokubaitis, V, van der Walt, A, Butzkueven, H, Merlo, Daniel, Kalincik, Tomas, Ozakbas, Serkan, Skibina, Olga, Kuhle, Jens, Hodgkinson, Suzanne, Boz, Cavit. BMJ Group; 2022. Comparing switch to ocrelizumab, cladribine or natalizumab after fingolimod treatment cessation in multiple sclerosis.