About the Authors

Peter C. Rowe

prowe@jhmi.edu

Affiliation Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Kevin R. Fontaine

Affiliation Department of Health Behavior, University of Alabama at Birmingham School of Public Health, Birmingham, Alabama, United States of America

Megan Lauver

Affiliation Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Samantha E. Jasion

Affiliation Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Colleen L. Marden

Affiliation Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Malini Moni

Affiliation Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Carol B. Thompson

Affiliation Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Richard L. Violand

Affiliation Rick Violand, PT LLC, Ellicott City, Maryland, United States of America

Competing Interests

Richard L. Violand is affiliated with a private physical therapy practice, Rick Violand PT LLC.

Author Contributions

Conceived and designed the experiments: PCR KRF RLV. Performed the experiments: KRF MM. Analyzed the data: PCR KRF ML SEJ CLM MM CBT. Wrote the paper: PCR KRF ML SEJ CLM MM CBT RLV.