About the Authors
Program in Developmental Biology, Sloan Kettering Institute, New York, New York, United States of America
Cell and Developmental Biology, Weill Cornell Medical College, New York, New York, United States of America
Weill Cornell Graduate School of Biomedical Sciences, Cornell University, New York, New York, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: SJN HA KG YN MKB. Performed the experiments: SJN HA KG. Analyzed the data: SJN HA KG YN MKB. Contributed reagents/materials/analysis tools: SJN HA KG MKB. Wrote the paper: SJN MKB.