1. Acute Surgical Unit Westmead Hospital Sydney New South Wales Australia
2. Department of Radiology John Hunter Hospital Newcastle New South Wales Australia
3. Western Clinical School, Faculty of Medicine and Health University of Sydney Sydney New South Wales Australia
4. Surgical Innovations Unit Westmead Hospital Sydney New South Wales Australia
5. South West Sydney Clinical School University of New South Wales Liverpool New South Wales Australia
6. Macquarie Medical School Macquarie University Sydney New South Wales Australia