1 Department of Ophthalmology, Copenhagen University Hospital Glostrup, Glostrup, Denmark; Danish Health and Medicines Authority, Copenhagen, Denmark. Electronic address: line.kessel@dadlnet.dk.
2 Danish Health and Medicines Authority, Copenhagen, Denmark; The Nordic Cochrane Center, Rigshospitalet, Copenhagen, Denmark.
3 The Nordic Cochrane Center, Rigshospitalet, Copenhagen, Denmark.
4 Department of Ophthalmology, Næstved Hospital, Næstved, Denmark.
5 Odense Eye Clinic, Odense, Denmark.
6 Skanderborg Eye Clinic, Skanderborg, Denmark.
7 Department of Ophthalmology, Aarhus University Hospital NBG, Aarhus, Denmark.