[1] Copenhagen Univ Hosp, Dept Otorhinolaryngol Head & Neck Surg & Audiol, Copenhagen, Denmark
[2] Copenhagen Univ Hosp Hvidovre, Ctr Funct & Diagnost Imaging & Res, Dept Clin Physiol & Nucl Med 260, Copenhagen, Denmark
[3] Copenhagen Univ Hosp, Dept Clin Physiol & Nucl Med, Copenhagen, Denmark
[4] Copenhagen Univ Hosp, Dept Pathol, Copenhagen, Denmark