About the Authors

Becky K. Brisson

Affiliation Department of Anatomy and Cell Biology, School of Dental Medicine, University of Pennsylvania, and Pennsylvania Muscle Institute, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Elisabeth R. Barton

erbarton@dental.upenn.edu

Affiliation Department of Anatomy and Cell Biology, School of Dental Medicine, University of Pennsylvania, and Pennsylvania Muscle Institute, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BKB ERB. Performed the experiments: BKB. Analyzed the data: BKB ERB. Contributed reagents/materials/analysis tools: ERB. Wrote the paper: BKB ERB.