National Cerebral and Cardiovascular Centre - Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Centre - Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Centre - Department of Cerebrovascular Medicine, University of Missouri - Zeenat Qureshi Stroke Institute, Medical University of South Carolina - Department of Public Health Sciences, Medical University of South Carolina - Department of Public Health Sciences, National Cerebral and Cardiovascular Centre - Department of Neurology, Johns Hopkins University School of Medicine - Division of Neurosciences -, National Hospital Organization Kyushu Medical Center - Departments of Cerebrovascular Medicine and Neurology, China Medical University, Graduate Institute of Biomedical Sciences, Iwate Medical University - Division of Neurology and Gerontology, Capital Medical University - Department of Neurology, National Hospital Organization Osaka National Hospital - Department of Stroke Neurology, Klinikum Frankfurt Höchst - Department of Neurology, Kobe City Medical Center General Hospital - Department of Neurosurgery, Seoul National University Hospital - Department of Neurology, National Cerebral and Cardiovascular Centre - Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Centre - Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Centre - Center for Advancing Clinical and Translational Sciences, National Cerebral and Cardiovascular Center Research Institute - Department of Cerebrovascular Medicine, Independent and Independent