National Cerebral and Cardiovascular Center Research Institute - Department of Preventive Medicine and Epidemiology, National Cerebral and Cardiovascular Center Research Institute, National Cerebral and Cardiovascular Center Research Institute - Department of Preventive Medicine and Epidemiology, University of Michigan at Ann Arbor, Louisiana State University, Baton Rouge, Emory University, Methodist Charlton Medical Center, Cleveland Clinic, National Cerebral and Cardiovascular Center Research Institute - Department of Biostatistics and University of Michigan at Ann Arbor - Department of Emergency Medicine

University of Tsukuba - University of Tsukuba Hospital, National Cerebral and Cardiovascular Centre, National Cerebral and Cardiovascular Centre, National Cerebral and Cardiovascular Center Research Institute, National Cerebral and Cardiovascular Center Research Institute - Department of Preventive Medicine and Epidemiology, National Cerebral and Cardiovascular Center Research Institute - Department of Biostatistics, Ehime University, Dokkyo Medical University, Kobe City Medical Center General Hospital, Musashino Red Cross Hospital, Nagoya City University, Kyoto Prefectural University of Medicine, Mie University, Shimadzu Europa GmbH and National Cerebral and Cardiovascular Centre