1. Department of Ophthalmology Miguel Servet University Hospital Zaragoza Spain
2. Discipline of Ophthalmology Save Sight Institute, the University of Sydney, Sydney Medical School Sydney Australia
3. Department of Ophthalmology University Hospital of Alcalá de Henares Madrid Spain
4. Department of Ophthalmology San Martino Hospital Belluno Italy
5. Department of Ophthalmology Concord Repatriation Hospital Sydney New South Wales Australia
6. Mater Private Hospital Dublin Ireland
7. Department of Ophthalmology Zurich, University Hospital Zurich University of Zurich Zurich Switzerland