National Cerebral and Cardiovascular Centre, Kurume University - Department of Pediatrics and Child Health, National Cerebral and Cardiovascular Centre - Office of Biostatistics and Data Management, Osaka Women's and Children's Hospital, Nagano Children’s Hospital, Tohoku University - Graduate School of Medicine, University of Tsukuba, Toho University, Saitama University - Saitama Medical University, Shizuoka Children’s Hospital, Kanagawa Children’s Medical Center, National Center for Child Health and Development, Nippon Medical School, National Cerebral and Cardiovascular Centre, National Cerebral and Cardiovascular Centre, National Cerebral and Cardiovascular Centre, National Cerebral and Cardiovascular Centre, National Cerebral and Cardiovascular Centre - Center for Advancing Clinical and Translational Sciences, National Center for Child Health and Development, Mie University - Department of Obstetrics and Gynecology and affiliation not provided to SSRN

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

National Cerebral and Cardiovascular Center Research Institute - Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Centre - Center for Advancing Clinical and Translational Sciences, National Cerebral and Cardiovascular Centre - Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Centre, Nippon Medical School, National Cerebral and Cardiovascular Centre - Office of Biostatistics and Data Management, Institute of Brain and Blood Vessel Mihara Memorial Hospital, Yamagata City Hospital Saiseikan, Obihiro Kosei Hospital, Kohnan Hospital, Nakamura Memorial Hospital, Gifu University, Akita University, Saga University - Faculty of Medicine, Niigata City General Hospital, Kyoto Second Red Cross Hospital, Tokai University, National Hospital Organization Kyushu Medical Center - Departments of Cerebrovascular Medicine and Neurology, Iwate Prefectural Central Hospital, Nagasaki University, Toyota Memorial Hospital, Ohnishi Neurological Center, Kawasaki Medical School, Tokushima University, St. Marianna University, Kyorin University, Kobe City Medical Center General Hospital - Department of Neurosurgery, Steel Memorial Yawata Hospital, Toranomon Hospital, Hyogo College of Medicine, Juntendo University, St. Marianna University, National Cerebral and Cardiovascular Centre - Department of Neurology, Kyushu University, Iwate Medical University, National Cerebral and Cardiovascular Centre, National Cerebral and Cardiovascular Centre - Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Centre - Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Centre, Nippon Medical School, National Cerebral and Cardiovascular Centre - Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Centre - Department of Cardiovascular Medicine and Independent