About the Authors

Kathryn L. Mueller

kathryn-mueller@uiowa.edu

Affiliations Hearing, Language and Literacy, Murdoch Childrens Institute, Melbourne, Australia, Dept. of Communication Sciences and Disorders, The University of Iowa, Iowa City, United States of America

Jeffrey C. Murray

Affiliation Dept. of Pediatrics, The University of Iowa, Iowa City, United States of America

Jacob J. Michaelson

Affiliation Dept. of Psychiatry, The University of Iowa, Iowa City, United States of America

Morten H. Christiansen

Affiliation Dept. Psychology, Cornell University, New York, United States of America

Sheena Reilly

Affiliation Menzies Health Institute, Queensland, Australia

J. Bruce Tomblin

Affiliation Dept. of Communication Sciences and Disorders, The University of Iowa, Iowa City, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KLM JBT JCM MHC. Performed the experiments: KLM. Analyzed the data: KLM JBT JJM. Contributed reagents/materials/analysis tools: JBT JCM JJM. Wrote the paper: KLM JBT JCM MHC JJM. Provided cohort data: SR.