1. Department of Ophthalmology Copenhagen University Hospital Glostrup Glostrup Denmark
2. Danish Health and Medicines Authority Copenhagen Denmark
3. Department of Ophthalmology Næstved Hospital Næstved Denmark
4. Odense Eye Clinic Odense Denmark
5. Skanderborg Eye Clinic Skanderborg Denmark
6. The Nordic Cochrane Center Rigshospitalet Copenhagen Denmark
7. Department of Ophthalmology Aarhus University Hospital NBG Aarhus Denmark