1. Department of Pathology, Copenhagen University Hospital—Rigshospitalet, 2100 Copenhagen, Denmark
2. Department of Ophthalmology, Copenhagen University Hospital—Rigshospitalet, 2100 Copenhagen, Denmark
3. Department of Otorhinolaryngology, Head and Neck Surgery and Audiology, Copenhagen University Hospital—Rigshospitalet, 2100 Copenhagen, Denmark
4. Department of Hematology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
5. Department of Hematology, Aarhus University Hospital, 8200 Aarhus, Denmark
6. Department of Hematology, Copenhagen University Hospital—Rigshospitalet, 2100 Copenhagen, Denmark