1 Retina Service, Department of Ophthalmology, Sir Charles Gairdner Hospital, Nedlands, Australia; Vitreoretinal Unit, Department of Ophthalmology, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia.
2 Department of Anatomical Pathology, PathWest QEII site, Perth, Australia; Department of Pathology, Peter MacCallum Cancer Centre, Parkville, Australia.
3 Retina Service, Department of Ophthalmology, Sir Charles Gairdner Hospital, Nedlands, Australia; Centre for Ophthalmology and Visual Science, University of Western Australia, Perth, Australia; Lions Eye Institute, Nedlands, Australia.