1. From the Daejeon-Chungnam Regional Cerebrovascular Center, Daejeon, South Korea (J.K.); Daegu-Gyeongbuk Regional Cerebrovascular Center, Daegu, South Korea (Y.-H.H.); Gwangju-Jeonnam Regional Cerebrovascular Center, Gwangju, South Korea (J.-T.K.); Gyeongnam Regional Cerebrovascular Center, Jinju, South Korea (N.-C.C., B.-H.L.); Jeju Regional Cerebrovascular Center, Jeju, South Korea (S.-Y.K.); Busan-Ulsan Regional Cerebrovascular Center, Busan, South Korea (J.-K.C.); Jeonbuk Regional Cerebrovascular...