Changes in management of head and neck malignancies during the COVID-19 pandemic - Alexander Lein; Fuad Brkic; David T. Liu; Markus Haas; Almir Salkic; Azra Ibrisevic; Sabrina Uscuplic; Alen Harcinovic; Thomas Thurner; Faris F. Brkic (Acta Otorhinolaryngologica Italica)