How Early Is Early Multiple Sclerosis? - Stavropoulou De Lorenzo, Sotiria; Bakirtzis, Christos; Konstantinidou, Natalia; Kesidou, Evangelia; Parissis, Dimitrios; Evangelopoulos, Maria Eleptheria; Elsayed, Dina; Hamdy, Eman; Said, Sameh; Grigoriadis, Nikolaos (Journal of Clinical Medicine, 2024)