[1] Univ Med & Pharm Ho Chi Minh City, Fac Med, Dept Cardiovasc & Thorac Surg, Ho Chi Minh City, Vietnam
[2] Cho Ray Hosp, Cardiovasc Ctr, 201B Nguyen Chi Thanh St,Ward 12,Dist 5, Ho Chi Minh City, Vietnam
[3] Cho Ray Hosp, Cardiovasc Ctr, Dept Vasc Surg, 201B Nguyen Chi Thanh St,Ward 12,Dist 5, Ho Chi Minh City 72713, Vietnam
[4] Univ Med & Pharm Ho Chi Minh City, Fac Publ Hlth, Dept Hlth Org & Management, Ho Chi Minh City, Vietnam
[5] Univ Med & Pharm Ho Chi Minh City, Univ Med Ctr Ho Chi Minh City, Thorac & Vasc Dept, Ho Chi Minh City, Vietnam