[1] National Hospital of Tropical Diseases,Nuffield Department of Medicine, Centre for Tropical Medicine
[2] Oxford University Clinical Research Unit,Medical Service Administration
[3] Bach Mai Hospital,undefined
[4] Ministry of Agriculture and Rural Development,undefined
[5] Hanoi Medical University,undefined
[6] World Health Organization,undefined
[7] Country Office,undefined
[8] University of Oxford,undefined
[9] Ministry of Health,undefined
[10] Drug Administration of Viet Nam,undefined
[11] Ministry of Health,undefined
[12] Hospital of Tropical Diseases,undefined