About the Authors

Ann-Cathrine Lindblad

anncat.lindblad@ki.se

Affiliation Department of Clinical Science, Intervention and Technology, Division of Ear, Nose and Throat Diseases, Unit of Technical and Experimental Audiology, Karolinska Institutet, Stockholm, Sweden

Ulf Rosenhall

Affiliation Department of Clinical Science, Intervention and Technology, Division of Ear, Nose and Throat Diseases, Karolinska Institutet; and Department of Audiology and Neurotology, Karolinska University Hospital, Stockholm, Sweden

Åke Olofsson

Affiliation Department of Clinical Science, Intervention and Technology, Division of Ear, Nose and Throat Diseases, Unit of Technical and Experimental Audiology, Karolinska Institutet, Stockholm, Sweden

Björn Hagerman

Affiliation Department of Clinical Science, Intervention and Technology, Division of Ear, Nose and Throat Diseases, Unit of Technical and Experimental Audiology, Karolinska Institutet, Stockholm, Sweden

Competing Interests

This project was partly supported by AFA Insurance. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: ACL UR BH ÅO. Performed the experiments: ACL ÅO. Analyzed the data: ACL BH. Wrote the paper: ACL UR BH ÅO. Designed the software used for hearing tests: ÅO.