1. Department of Ophthalmology, Rigshospitalet-Glostrup, 2600 Glostrup, Denmark
2. Danish Health and Medicines Authority, 2300 Copenhagen S, Denmark
3. Skanderborg Eye Clinic, 8660 Skanderborg, Denmark
4. Department of Ophthalmology, Næstved Hospital, 4700 Næstved, Denmark
5. Odense Eye Clinic, 5000 Odense C, Denmark
6. Department of Ophthalmology, Aarhus University Hospital NBG, 8000 Aarhus, Denmark