1 Department of Ophthalmology, Copenhagen University Hospital - Rigshospitalet, Glostrup. Denmark. Valdemar Hansens Vej 1-23, 2600 Glostrup, Denmark.
2 Department of Ophthalmology, Copenhagen University Hospital - Rigshospitalet, Glostrup. Denmark. Valdemar Hansens Vej 1-23, 2600 Glostrup, Denmark; Department of Clinical Medicine, University of Copenhagen, Blegdamsvej 3, 2200 København N, Denmark. Electronic address: line.kessel.01@regionh.dk.