Affiliation: | (1) Department of Ear-Nose-Throat Disease, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen, Denmark;(2) Department of Clinical Microbiology, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen, Denmark;(3) Department of Ear-Nose-Throat Disease, Centralsygehuset, 3400 Hillerød, Denmark;(4) Department of Clinical Microbiology, Centralsygehuset, 3400 Hillerød, Denmark |