1. Department of Clinical Medicine, University of Bergen, Bergen, Norway 2Department of Ophthalmology, Haukeland University Hospital, Bergen, Norway
2. Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
3. Department of Biomedicine, University of Bergen, Bergen, Norway
4. Norwegian Veterinary Institute, Bergen, Norway
5. Department of Ophthalmology, Haukeland University Hospital, Bergen, Norway
6. Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway 6Department of Clinical Science, University of Bergen, Bergen, Norway