1. From the MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine, Edinburgh, United Kingdom;
2. Institute of Ophthalmology, University College, London, United Kingdom;
3. Department of Ophthalmology, Radboud University Nijmegen, Medical Centre, Nijmegen, Netherlands;
4. New England Eye Center, Department of Ophthalmology, Tufts Medical Center, Boston, Massachusetts;
5. Neurobiology, Neurodegeneration and Repair Laboratory, National Eye Institute, National Institutes of Health, Bethesda, Maryland;
6. FM Kirby Center for Molecular Ophthalmology, Department of Ophthalmology, University of Pennsylvania, Philadelphia, Pennsylvania;
7. University Eye Clinic of Cologne, Cologne, Germany;
8. Department of Ophthalmology and Visual Sciences, Kellog Eye Center, and
9. Center for Statistical Genetics, Department of Biostatistics, University of Michigan, Ann Arbor, Michigan;
10. Centre for Ophthalmology, Institute for Ophthalmic Research, Tübingen, Germany; and
11. Princess Alexandra Eye Pavilion, University of Edinburgh, Edinburgh, United Kingdom.