[1] Dong A Univ, Dong A Univ Hosp, Coll Med, Dept Neurosurg, Busan, South Korea
[2] Dong A Univ, Dong A Univ Hosp, Coll Med, Dept Intens Care Med, 26 Daesingongwon Ro, Busan 49201, South Korea
[3] Dong A Univ, Dong A Univ Hosp, Coll Med, Dept Neurol, Busan, South Korea
[4] Chungbuk Natl Univ Hosp, Dept Neurol, Cheongju, South Korea
[5] Dong A Univ Hosp, Stroke Ctr, Busan, South Korea
[6] Seoul Natl Univ, Bundang Hosp, Dept Neurol, Seongnam, South Korea