1. Department of Otorhinolaryngology, Head and Neck Surgery and Audiology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
2. Hematopathology Section, Department of Pathology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
3. Department of Hematology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
4. Department of Hematology, Aalborg University Hospital, Aalborg, Denmark
5. Department of Hematology, Odense University Hospital, Odense, Denmark
6. Department of Hematology, Aarhus University Hospital, Aarhus, Denmark
7. Department of Hematology, Holstebro Hospital, Holstebro, Denmark
8. Eye Pathology Section, Department of Pathology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
9. Department of Ophthalmology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark