1 United Nations Children's Fund (UNICEF), New York, United States. Electronic address: adetjen@unicef.org.
2 United Nations Children's Fund (UNICEF), New York, United States. Electronic address: sessajee@unicef.org.
3 World Health Organization (WHO), Geneva, Switzerland. Electronic address: grzemskam@who.int.
4 Centre for Research Excellence in Tuberculosis and the Marie Bashir Institute for Infectious Diseases and Biosecurity, University of Sydney, Sydney, Australia. Electronic address: ben.marais@sydney.edu.au.