1 South West Sydney Clinical School, University of New South Wales, Sydney, NSW, Woolcock Institute of Medical Research, Sydney, NSW, Australia.
2 South West Sydney Clinical School, University of New South Wales, Sydney, NSW.
3 Woolcock Institute of Medical Research, Sydney, NSW, Australia.
4 National Lung Hospital, Hanoi, National Tuberculosis Control Programme, Hanoi, Vietnam, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.
5 Woolcock Institute of Medical Research, Sydney, NSW, Australia;, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.
6 National Lung Hospital, Hanoi, National Tuberculosis Control Programme, Hanoi, Vietnam.