1. Health Services and Policy Division, Department of Immigration and Border Protection, Sydney, New South Wales, Australia
2. Division of Global Migration and Quarantine, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
3. Centre of Infectious Disease Surveillance and Control, Public Health England and Institute of Global Health University College, London, UK
4. Service Design and Performance, Immigration New Zealand, Wellington, New Zealand
5. Institute for Global Health, University College London, London, UK
6. Immigration, Refugees and Citizenship Canada, Migration Health Branch, Ottawa, Ontario, Canada