1. Department of Clinical Science, University of Bergen, Bergen, Norway
2. Department of Medical Genetics, Haukeland University Hospital, Bergen, Norway
3. Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada
4. Department of Ophthalmology, Oslo University Hospital, Oslo, Norway
5. Department of Ophthalmology, Haukeland University Hospital, Bergen, Norway
6. Department of Clinical Medicine, University of Bergen, Bergen, Norway
7. Institute of Clinical Medicine, University of Oslo, Oslo, Norway
8. Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver, BC, Canada