About the Authors

Raymond Poon

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

Helen Hong

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

Xin Wei

Affiliation Campbell Family Institute for Breast Cancer Research, University Health Network, Toronto, Ontario, Canada

James Pan

Affiliation Donnelly Centre for Cellular and Molecular Research and Banting and Best Institute for Medical Research, University of Toronto, Toronto, Ontario, Canada

Benjamin A. Alman

benjamin.alman@sickkids.ca

Affiliations Program in Developmental and Stem Cell Biology, Hospital for Sick Children, Toronto, Ontario, Canada, Division of Orthopaedics, Department of Surgery, University of Toronto, Toronto, Ontario, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BAA. Performed the experiments: RP HH XW JP. Analyzed the data: RP HH XW JP BAA. Wrote the paper: RP HH XW JP BAA.