1. Discipline of Paediatrics and Adolescent Medicine; The Children's Hospital at Westmead; The University of Sydney; Sydney Australia
2. Da Nang Hospital for Women and Children; Da Nang Viet Nam
3. Hoa Vang District Hospital; Da Nang Viet Nam
4. National Hospital of Paediatrics; Ha Noi Viet Nam
5. Centre for International Child Health; Royal Children's Hospital; University of Melbourne and Murdoch Childrens Research Institute; Melbourne Australia
6. Marie Bashir Institute for Infectious Diseases and Biosecurity; The University of Sydney; Sydney Australia