About the Authors

Daniel Ramsköld

Affiliation Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden

Eric T. Wang

Affiliation Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Christopher B. Burge

cburge@mit.edu (CBB); Rickard.Sandberg@ki.se (RS)

Affiliation Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Rickard Sandberg

cburge@mit.edu (CBB); Rickard.Sandberg@ki.se (RS)

Affiliation Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CBB RS. Performed the experiments: DR. Analyzed the data: DR ETW RS. Wrote the paper: DR CBB RS.