[1] Eulji Univ, Med Ctr, Dept Neurol, 712 Dongil Ro, Uijeongbu Si, Gyeonggi Do, South Korea
[2] Natl Cerebral & Cardiovasc Ctr, Dept Cerebrovascular Med, Suita, Japan
[3] Univ Malaya, Fac Med, Dept Med, Div Neurol, Kuala Lumpur, Malaysia
[4] Queen Elizabeth Hosp, Dept Med, Hong Kong, Peoples R China
[5] King Chulalongkorn Mem Hosp, Chulalongkorn Comprehens Stroke Ctr, Bangkok, Thailand
[6] Raffles Hosp, Raffles Neurosci Ctr, Singapore, Singapore