About the Authors

E. Camilla Forsberg

Contributed equally to this work with: E. Camilla Forsberg, Emmanuelle Passegué, Susan S. Prohaska, Amy J. Wagers

cforsber@ucsc.edu

Affiliation Institute for Biology of Stem Cells, Department of Biomolecular Engineering, University of California Santa Cruz, Santa Cruz, California, United States of America

Emmanuelle Passegué

Contributed equally to this work with: E. Camilla Forsberg, Emmanuelle Passegué, Susan S. Prohaska, Amy J. Wagers

Affiliation The Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California San Francisco, San Francisco, California, United States of America

Susan S. Prohaska

Contributed equally to this work with: E. Camilla Forsberg, Emmanuelle Passegué, Susan S. Prohaska, Amy J. Wagers

Affiliation Institute of Stem Cell Biology and Regenerative Medicine, Departments of Pathology and Developmental Biology, Stanford University School of Medicine, Stanford, California, United States of America

Amy J. Wagers

Contributed equally to this work with: E. Camilla Forsberg, Emmanuelle Passegué, Susan S. Prohaska, Amy J. Wagers

Affiliation Joslin Diabetes Center, Harvard Stem Cell Institute and Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, United States of America

Martina Koeva

Affiliation Institute for Biology of Stem Cells, Department of Biomolecular Engineering, University of California Santa Cruz, Santa Cruz, California, United States of America

Joshua M. Stuart

Affiliation Institute for Biology of Stem Cells, Department of Biomolecular Engineering, University of California Santa Cruz, Santa Cruz, California, United States of America

Irving L. Weissman

Affiliation Institute of Stem Cell Biology and Regenerative Medicine, Departments of Pathology and Developmental Biology, Stanford University School of Medicine, Stanford, California, United States of America

Competing Interests

I.L.W. has stock in Amgen and is a cofounder of Cellerant Inc. and Stem Cells Inc. The other authors have no financial interests to disclose. There are no patents associated with this study.

Author Contributions

Conceived and designed the experiments: CF EP SSP AJW. Performed the experiments: CF EP SSP AJW. Analyzed the data: CF EP SSP AJW MK JMS ILW. Contributed reagents/materials/analysis tools: CF EP SSP AJW MK JMS ILW. Wrote the paper: CF SSP AJW. Provided intellectual input, infrastructure and funding: ILW.