About the Authors

Penny S. Thomas

Affiliation Department of Biologic and Materials Sciences, University of Michigan, Ann Arbor, Michigan, United States of America

Somyoth Sridurongrit

Current address: Department of Anatomy, Mahidol University, Bangkok,Thailand

Affiliation Department of Biologic and Materials Sciences, University of Michigan, Ann Arbor, Michigan, United States of America

Pilar Ruiz-Lozano

Affiliation Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America

Vesa Kaartinen

vesa@umich.edu

Affiliation Department of Biologic and Materials Sciences, University of Michigan, Ann Arbor, Michigan, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PST SS VK. Performed the experiments: PST SS VK. Analyzed the data: PST VK. Contributed reagents/materials/analysis tools: PR-L. Wrote the paper: PST VK.