[1] Heart Inst, Surg Intens Care Unit, Ho Chi Minh City, Vietnam
[2] Tam Duc Heart Hosp, Ho Chi Minh City, Vietnam
[3] Bach Mai Hosp, Vietnam Heart Inst, Hanoi, Vietnam
[4] Hanoi Med Univ, Hanoi, Vietnam
[5] Cho Ray Hosp, Cardiovasc Dept, Ho Chi Minh City, Vietnam
[6] Univ Med & Pharm Ho Chi Minh City, Ho Chi Minh City, Vietnam
[7] Vinmec Hosp, Cardiovasc Ctr, Ho Chi Minh City, Vietnam
[8] Bach Mai Hosp, Stroke Ctr, Hanoi, Vietnam
[9] VNU Univ Med & Pharm, Hanoi, Vietnam
[10] Peoples 115 Hosp, Cerebrovasc Dis Dept, Ho Chi Minh City, Vietnam
[11] Pham Ngoc Thach Univ Med, Ho Chi Minh City, Vietnam
[12] 115 Peoples Hosp, Dept Cerebrovasc Dis, 527 Hanh St,Ward 12,Dist 10, Ho Chi Minh City, Vietnam