1. Department of Ophthalmology Rigshospitalet Glostrup Denmark
2. Department of Ophthalmology Leiden University Medical Center Leiden the Netherlands
3. Department of Clinical Research University of Southern Denmark Odense Denmark
4. Department of Ophthalmology Odense University Hospital Odense Denmark
5. Department of Ophthalmology Vestfold Hospital Trust Tønsberg Norway
6. Department of Clinical Medicine University of Copenhagen Copenhagen Denmark
7. Department of Ophthalmology Semmelweis University Budapest Hungary