1. Department of Ophthalmology; Aalborg University Hospital; Aalborg Denmark
2. Department of Ophthalmology; Thy-Mors Hospital; Thisted Denmark
3. Department of Computer Science; University of Copenhagen; Copenhagen Denmark
4. Ophthalmology Specialty Practice; Eyecenter North; Hjørring Denmark
5. Department of Ophthalmology; Bajcsy-Zsilinszky Hospital; Budapest Hungary