Erratum to: Eur Arch Otorhinolaryngol (2014) 271:2139–2143 DOI 10.1007/s00405-013-2696-5

The affiliation of one of the co-authors was incorrect in the original publication of the article. The correct information is given below:

Maryam Shakiba

Department of Epidemiology,

Shahid Beheshti University of Medical Science,

Tehran,

Iran.