1. Department of Haematology, Head & Neck Surgery, Aalborg Hospital, Aarhus University Hospital, Aarhus, Denmark
2. Service of Cytometry and Department of Medicine, CIC Cancer-University of Salamanca, Salamanca, Spain
3. Department of Pathology, Head & Neck Surgery, Aalborg Hospital, Aarhus University Hospital, Aarhus, Denmark
4. Department of Otolaryngology, Head & Neck Surgery, Aalborg Hospital, Aarhus University Hospital, Aarhus, Denmark