Large-scale online assessment uncovers a distinct Multiple Sclerosis subtype with selective cognitive impairment. - Lerede A; Moura A; Giunchiglia V; Carta E; Trender W; Tuite-Dalton K; Witts J; Craig E; Knowles S; Rodgers J; Cocco E; Hellyer PJ; et al. (Nature communications, 2025)