In the article entitled “Underdosed Direct Oral Anticoagulants in Atrial Fibrillation Patients Reduce Stroke Severity and Improve Outcome” [Cerebrovasc Dis. 2022;51(4):473–80; DOI: 10.1159/000520857] by Naganuma et al., the first author should be additionally affiliated with affiliation bDepartment of Neurology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan.