[1
]
Department of ORL-Head and Neck Surgery, Odense University Hospital, Odense, Denmark.
[2
]
Department of Pathology, Copenhagen University Hospital, Copenhagen, Denmark.
[3
]
Department of ORL-Head and Neck Surgery, Aarhus University Hospital, Aarhus, Denmark.
[4
]
Odense Patient Data Explorative Network, Odense University Hospital and Department
of Clinical Research, University of Southern Denmark, Odense, Denmark.