1. Oxford Eye Hospital; Oxford University Hospitals NHS Foundation Trust; Oxford UK
2. Department of Ophthalmology; University of Colorado, Anschutz Medical Campus; Aurora Colorado USA
3. Glaucoma Service, Department of Ophthalmology; Singapore National Eye Centre; Singapore Singapore
4. Massachusetts Eye and Ear; Harvard Medical School; Boston Massachusetts USA
5. Genentech Inc; South San Francisco California USA
6. Byers Eye Institute; Stanford University; Palo Alto California USA