T1W/T2W Ratio to Assess Brain Microstructural Damage in Multiple Sclerosis: A Multicenter Study. - Storelli L; Preziosa P; Tedone N; Gallo A; Altieri M; Pantano P; Piervincenzi C; De Stefano N; Cortese R; Rocca MA; Filippi M (AJNR. American journal of neuroradiology, 2026)