1. Department of Ophthalmology; Flinders University; Adelaide South Australia Australia
2. Save Sight and Westmead Millennium Institutes; University of Sydney; Sydney New South Wales Australia
3. Discipline of Ophthalmology; University of Sydney; Sydney New South Wales Australia
4. Glaucoma Unit; Sydney Eye Hospital; Sydney New South Wales Australia
5. Eye Associates; Sydney New South Wales Australia
6. Department of Ophthalmology; St John of God Hospital; Geelong Victoria Australia