Functional connectivity dynamics of monoaminergic circuits related to fatigue in multiple sclerosis. - Bet, Marloes D. A.; Helmlinger, Birgit; Broeders, Tommy A. A.; Hechenberger, Stefanie M. C.; Tinauer, Christian G.; Ropele, Stefan; Barkhof, Frederik; Khalil, Michael; Enzinger, Christian; Douw, Linda; Schoonheim, Menno M.; Pinter, Daniela T. (Journal of Neurology, 2026)