1 : University of Medicine and Pharmacy at Ho Chi Minh City, 217 Hong Bang, Ward 11, District 5, Ho Chi Minh City, Vietnam
2 : University Medical Center Ho Chi Minh City, 215 Hong Bang, Ward 11, District 5, Ho Chi Minh City, Vietnam
3 : Quality Control Center for Medical Laboratory under Ministry of Health at University of Medicine and Pharmacy at Ho Chi Minh City, 131 Nguyen Chi Thanh, Ward 9, District 5, Ho Chi Minh City, Vietnam