About the Authors

Charles J. Limb

To whom correspondence should be addressed. E-mail: climb@jhmi.edu

Affiliations Language Section, Voice, Speech and Language Branch, National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, Maryland, United States of America, Department of Otolaryngology-Head and Neck Surgery and Peabody Conservatory of Music, Johns Hopkins University, Baltimore, Maryland, United States of America

Allen R. Braun

Affiliation Language Section, Voice, Speech and Language Branch, National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AB CL. Performed the experiments: CL. Analyzed the data: AB CL. Wrote the paper: AB CL.