University of Sydney - George Institute for Global Health, University of New South Wales (UNSW) - South Western Sydney Clinical School, National Lung Hospital, Hanoi Medical University, The University of Sydney - Woolcock Institute of Medical Research, The University of Sydney - Woolcock Institute of Medical Research, National Lung Hospital, The University of Sydney - Faculty of Medicine and Health, The University of Sydney - Woolcock Institute of Medical Research, University of Sydney - George Institute for Global Health and The University of Sydney - Central Clinical School