1 Department of Otorhinolaryngology, Head and Neck Surgery, Saarland University Medical Center, Homburg, Saarland, Germany maximilian.linxweiler@uks.eu.
2 Department of General and Surgical Pathology, Saarland University Medical Center, Homburg, Saarland, Germany.
3 Department of Otorhinolaryngology, Head and Neck Surgery, Saarland University Medical Center, Homburg, Saarland, Germany.