About the Authors

Susanne Meyer

Contributed equally to this work with: Susanne Meyer, John P. Maufort

Affiliation Department of Molecular, Cellular and Developmental Biology, University of California Santa Barbara, Santa Barbara, California, United States of America

John P. Maufort

Contributed equally to this work with: Susanne Meyer, John P. Maufort

Affiliation Morgridge Institute for Research, Madison, Wisconsin, United States of America

Jeff Nie

Affiliation Morgridge Institute for Research, Madison, Wisconsin, United States of America

Ron Stewart

Affiliation Morgridge Institute for Research, Madison, Wisconsin, United States of America

Brian E. McIntosh

Affiliation Morgridge Institute for Research, Madison, Wisconsin, United States of America

Lisa R. Conti

Affiliation Department of Molecular, Cellular and Developmental Biology, University of California Santa Barbara, Santa Barbara, California, United States of America

Kareem M. Ahmad

Affiliation Interdepartmental Program in Biomolecular Science and Engineering, University of California Santa Barbara, Santa Barbara, California, United States of America

H. Tom Soh

Affiliations Department of Materials, University of California Santa Barbara, Santa Barbara, California, United States of America, Department of Mechanical Engineering, University of California Santa Barbara, Santa Barbara, California, United States of America

James A. Thomson

jthomson@morgridgeinstitute.org

Affiliations Department of Molecular, Cellular and Developmental Biology, University of California Santa Barbara, Santa Barbara, California, United States of America, Morgridge Institute for Research, Madison, Wisconsin, United States of America, Department of Cell and Regenerative Biology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, United States of America

Competing Interests

JAT is a founder, stockowner, consultant and board member of Cellular Dynamics International (CDI). He also serves as scientific advisor to and has financial interests in Tactics II Stem Cell Ventures. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SM JPM JAT. Performed the experiments: SM JPM BM. Analyzed the data: SM JMP JAT. Contributed reagents/materials/analysis tools: RS JN KMA. Wrote the paper: SM LC HTS JAT.