1. Institute of Human Genetics and
2. Department of Ophthalmology, University of Alabama at Birmingham, Birmingham, Alabama 35294
3. Department of Ophthalmology, University Hospital Würzburg, Würzburg, D-97080, Germany
4. Department of Genetic Epidemiology, University of Regensburg, Regensburg, D-93053, Germany;
5. Department of Ophthalmology, University Hospital Regensburg, Regensburg, D-93042, Germany