1. From the Division of Medical Molecular Genetics and Gene Diagnostics, Institute of Medical Genetics, University of Zurich, Zurich, Switzerland; the2Institut de la Vision, INSERM (Institut National de la Sante´ et de la Recherche Me´dicale), Universite´ Pi
2. Department of Vision Sciences, University of Alabama at Birmingham, Birmingham, Alabama; the
3. Department of Ophthalmology, University Hospital Basel, Basel, Switzerland; the
4. From the Division of Medical Molecular Genetics and Gene Diagnostics, Institute of Medical Genetics, University of Zurich, Zurich, Switzerland; the6Department of Biology, ETH (Eidgeno¨ssische Technische Hochschule), Zurich, Switzerland; and the
5. Swiss Epilepsy Centre, Zurich, Switzerland.
6. From the Division of Medical Molecular Genetics and Gene Diagnostics, Institute of Medical Genetics, University of Zurich, Zurich, Switzerland; the