1. Department of Ophthalmology; Stavanger University Hospital; Stavanger Norway
2. Department of Clinical Medicine; Section of Ophthalmology; University of Bergen; Bergen Norway
3. Department of Research; Stavanger University Hospital; Stavanger Norway
4. Department of Mathematics and Natural Sciences; University of Stavanger; Stavanger Norway
5. Department of Oncology and Medical Physics; Haukeland University Hospital; Bergen Norway
6. Department of Ophthalmology; Haukeland University Hospital; Bergen Norway