1. Department of Ophthalmology, University of Basel, Basel, Switzerland
2. University Hospital Basel Eye Clinic, Basel, Switzerland
3. Department of Ophthalmology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
4. Department of BioMedical Research, University of Bern, Bern, Switzerland
5. Institute of Molecular and Clinical Ophthalmology Basel, Basel, Switzerland
6. Department of Genetics and Genome Biology, University of Leicester, Leicester, UK