H.T. has an active research programme devoted to furthering our understanding of the prodromal phase of multiple sclerosis (MS), and is grateful for funding from several of the organizations listed here. H.T. has, in the past five years, received research support from the Canada Research Chair Program, the National Multiple Sclerosis Society, the Canadian Institutes of Health Research, MS Canada, the Multiple Sclerosis Scientific Research Foundation and the EDMUS Foundation (‘Fondation EDMUS contre la sclérose en plaques’).