1. School of Medicine and Public Health The University of Newcastle Newcastle New South Wales Australia
2. Population Health Hunter New England Local Health District Newcastle New South Wales Australia
3. National Centre for Immunisation Research and Surveillance Sydney New South Wales Australia
4. School of Health Sciences The University of Sydney Sydney New South Wales Australia
5. Allied Health Department Nepean Blue Mountains Local Health District Penrith New South Wales Australia
6. Outpatient Services, John Hunter Hospital Hunter New England Local Health District Newcastle New South Wales Australia
7. Emergency Department, John Hunter Hospital Hunter New England Local Health District Newcastle New South Wales Australia
8. Physiotherapy Department, John Hunter Hospital Hunter New England Local Health District Newcastle New South Wales Australia