1. Department of Otorhinolaryngology–Head and Neck SurgeryUniversity of Szeged Szeged Hungary
2. Department of OtorhinolaryngologyJena University Hospital Jena Germany
3. Department of OtorhinolaryngologySHR Wald‐Klinikum Gera Gera Germany
4. Northern Light Health Medical Center Bangor Maine U.S.A