Corrigendum: Pre-treatment of Single and Double Antiplatelet and Anticoagulant With Intravenous Thrombolysis for Older Adults With Acute Ischemic Stroke: The TTT-AIS Experience - Lin, Sheng-Feng; Hu, Han-Hwa; Ho, Bo-Lin; Chen, Chih-Hung; Chan, Lung; Lin, Huey-Juan; Sun, Yu; Lin, Yung-Yang; Chen, Po-Lin; Lin, Shinn-Kuang; Wei, Cheng-Yu; Lin, Yu-Te; et al. (Frontiers in Neurology, 2021)