1. Biotech Research and Innovation Centre and Centre for Epigenetics, University of Copenhagen, Copenhagen, Denmark;
2. Department of Hematology,
3. Department of Clinical Immunology, and
4. Department of Otorhinolaryngology, Head and Neck Surgery and Audiology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark;
5. Division of Molecular Genetics, Netherlands Cancer Institute, Amsterdam, The Netherlands; and
6. Department of Pathology, Rigshospitalet, Copenhagen, Denmark