Neurological event prediction for patients with symptomatic cerebral cavernous malformation: the BLED2 score. - Orlev A; Feghali J; Kimchi G; Salomon M; Berkowitz S; Oxman L; Levitan I; Knoller N; Auriel E; Huang J; Tamargo RJ; Harnof S (Journal of neurosurgery, 2021)