1. Department of Ophthalmology, Aalborg University Hospital, Aalborg, Denmark
2. Department of Ophthalmology, Odense University Hospital, Odense, Denmark
3. Department of Ophthalmology, Vejle Hospital - part of Lillebaelt Hospital, Vejle, Denmark
4. Department of Clinical Research, University of Southern Denmark, Odense, Denmark
5. Department of Biomedicine, Aarhus University, Aarhus, Denmark
6. Department of Clinical Medicine, Aalborg University Hospital, Aalborg, Denmark
7. Department of Ophthalmology, Aarhus University Hospital, Aarhus, Denmark
8. Department of Epidemiology, Aalborg University Hospital, Aalborg, Denmark