Erratum to: Eur Arch Otorhinolaryngol (2011) 268:405–414 DOI 10.1007/s00405-010-1355-3
The authors apologize for the following oversight during the publication process of the original article.
The affiliations for three co-authors were incorrect. The correct details are provided below in the affiliations section.
Although suitable permissions were obtained, the first publication and the permission granted by the publisher of the first publication were inadvertently not acknowledged for Figs. 2e and 4. The complete permission details are given below.