Correction to: Definition and Prioritization of Data Elements for Cohort Studies and Clinical Trials on Patients with Unruptured Intracranial Aneurysms: Proposal of a Multidisciplinary Research Group. - Hackenberg KAM; Algra A; Al-Shahi Salman R; Frösen J; Hasan D; Juvela S; Langer D; Meyers P; Morita A; Rinkel G; Etminan N (Neurocritical care, 2021)