About the Authors

Jonas Berglund

Affiliation Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden

Katherine S Pollard

Affiliation Gladstone Institutes, University of California, San Francisco, California, United States of America

Matthew T Webster

To whom correspondence should be addressed. E-mail: matthew.webster@imbim.uu.se

Affiliation Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

KSP and MTW conceived and designed the experiments. JB, KSP, and MTW performed the experiments and analyzed the data. KSP and MTW wrote the paper.