Serial anti–myelin oligodendrocyte glycoprotein antibody analyses and outcomes in children with demyelinating syndromes by Waters, P, Fadda, G, Woodhall, M, O’Mahony, J, Brown, RA, Castro, DA, Longoni, G, Irani, SR, Sun, B, Yeh, EA, Marrie, RA, Arnold, DL, Banwell, B, Bar-Or, A