1. Department of Internal Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
2. Cardiovascular Department, Nhan Dan Gia Dinh Hospital, Ho Chi Minh City 700000, Vietnam
3. Cardiovascular Center, University Medical Center, Ho Chi Minh City 700000, Vietnam
4. Central Clinical School, Monash University, Melbourne, VIC 3004, Australia