About the Authors

William B. Barrell

Affiliation Department of Craniofacial Development and Stem Cell Biology, King’s College London, London, United Kingdom

Heather L. Szabo-Rogers

Current address: Department of Oral Biology, Center for Craniofacial Regeneration, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Affiliation Department of Craniofacial Development and Stem Cell Biology, King’s College London, London, United Kingdom

Karen J. Liu

karen.liu@kcl.ac.uk

Affiliation Department of Craniofacial Development and Stem Cell Biology, King’s College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WBB KJL. Performed the experiments: WBB HLSR KJL. Analyzed the data: WBB HLSR KJL. Contributed reagents/materials/analysis tools: KJL. Wrote the paper: WBB KJL.