About the Authors

Sara Suliman

Affiliations Program in Stem Cell and Developmental Biology, Hospital for Sick Children Research Institute, Toronto, Ontario, Canada, Department of Immunology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada

Joanne Tan

Affiliations Program in Stem Cell and Developmental Biology, Hospital for Sick Children Research Institute, Toronto, Ontario, Canada, Department of Immunology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada

Keli Xu

Affiliation Program in Stem Cell and Developmental Biology, Hospital for Sick Children Research Institute, Toronto, Ontario, Canada

Philaretos C. Kousis

Affiliation Program in Stem Cell and Developmental Biology, Hospital for Sick Children Research Institute, Toronto, Ontario, Canada

Paul E. Kowalski

Affiliation Program in Stem Cell and Developmental Biology, Hospital for Sick Children Research Institute, Toronto, Ontario, Canada

Greg Chang

Affiliation Program in Stem Cell and Developmental Biology, Hospital for Sick Children Research Institute, Toronto, Ontario, Canada

Sean E. Egan

Affiliations Program in Stem Cell and Developmental Biology, Hospital for Sick Children Research Institute, Toronto, Ontario, Canada, Department of Molecular Genetics, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada

Cynthia Guidos

cynthiaguidos@sickkids.ca

Affiliations Program in Stem Cell and Developmental Biology, Hospital for Sick Children Research Institute, Toronto, Ontario, Canada, Department of Immunology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SS JT KX PCK PK GC SE CG. Performed the experiments: SS JT PCK PK GC. Analyzed the data: SS CG. Contributed reagents/materials/analysis tools: KX PCK PK SE. Wrote the paper: SS CG. Provided N3/LacZ mice: KX SE. Provided R26-ICN1 mice: SE.