About the Authors

Sharon Levy

Affiliation Division of Developmental Medicine, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

Slavica K. Katusic

William.Barbaresi@childrens.harvard.edu (WB); Slavica.Katusic@mayo.edu (SK)

Affiliation Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, United States of America

Robert C. Colligan

Affiliation Department of Psychiatry and Psychology, Mayo Clinic, Rochester, Minnesota, United States of America

Amy L. Weaver

Affiliation Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, United States of America

Jill M. Killian

Affiliation Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, United States of America

Robert G. Voigt

Affiliation Department of Pediatrics, Texas Children’s Hospital, Baylor College of Medicine, Houston, Texas, United States of America

William J. Barbaresi

William.Barbaresi@childrens.harvard.edu (WB); Slavica.Katusic@mayo.edu (SK)

Affiliation Division of Developmental Medicine, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

Pilot work for the prospective portion of this project was provided through an investigator-initiated research grant from McNeil Consumer and Specialty Pharmaceuticals. This does not alter the authors’ adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SL SK RC AW JK RV WB. Performed the experiments: SK RC RV WB. Analyzed the data: SL SK RC AW JK RV WB. Contributed to the writing of the manuscript: SL SK RC AW JK RV WB.