1. School of Medicine and Dentistry and Menzies Health Institute Queensland, Griffith University , Gold Coast, Queensland , Australia
2. UQ Centre for Clinical Research, The University of Queensland , Herston , Australia
3. National Centre for Immunisation Research and Surveillance of Vaccine Preventable Diseases , Westmead, New South Wales , Australia
4. Departments of Paediatrics and Infectious Diseases, Gold Coast Health , Gold Coast, Queensland , Australia