1. Institut für Humangenetik, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
2. Department of Ophthalmology and Visual Sciences, University of Michigan Medical School, Ann Arbor, Michigan
3. Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan
4. Augenklinik Campus Virchow-Klinikum Charité, Berlin, Germany
5. Zentrum für Molekulare Neurobiologie, Universität Hamburg, Hamburg, Germany