1. Sydney Health Ethics, Faculty of Medicine and Health, University of Sydney, Camperdown, NSW 2050, Australia
2. Marie Bashir Institute for Infectious Diseases and Biosecurity, University of Sydney, Camperdown, NSW 2050, Australia
3. TB Services, Clinical Prevention Services, BCCDC, Vancouver, BC V5Z 4R4, Canada
4. Division of Respiratory Medicine, Department of Medicine, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
5. Surveillance, Data, and Epidemiology, Bill and Melinda Gates Foundation, Seattle, WA 98109, USA