1. St John of God Murdoch Hospital, Murdoch, Western Australia, Australia
2. Centre for Ophthalmology and Visual Science (incorporating the Lions Eye Institute), University of Western Australia, Perth, Western Australia, Australia
3. Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, University of Melbourne, East Melbourne, Victoria, Australia
4. School of Medicine, Menzies Research Institute Tasmania, University of Tasmania, Hobart, Tasmania, Australia
5. Busselton Health Study Centre, Busselton Population Medical Research Institute, Busselton, Western Australia, Australia
6. School of Population and Global Health, University of Western Australia, Perth, Western Australia, Australia