1. Department of Women's and Children's Health, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
2. RV3 Rotavirus Vaccine Program, Murdoch Childrens Research Institute, Parkville, Victoria, Australia
3. Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
4. Department of Microbiology, La Trobe University, Bundoora, Victoria, Australia
5. Royal Children's Hospital, Parkville, Victoria, Australia