1. Department of Ophthalmology; Glostrup Hospital and Rigshospitalet; Glostrup Denmark
2. Department of Clinical Medicine; Faculty of Health Sciences; University of Copenhagen; Copenhagen Denmark
3. Department of Hematology; Rigshospitalet; Copenhagen Denmark
4. Department of Hematology; Roskilde Hospital; Roskilde Denmark
5. Department of Ophthalmology; Zealand University Hospital; Roskilde Denmark