About the Authors

Anders Esberg

Current address: Department of Odontology, Faculty of Medicine, Umeå University, Umeå, Sweden

Affiliation Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America

Ludo A. H. Muller

Current address: Institut für Biologie, Botanik, Freie Universität Berlin, Berlin, Germany

Affiliation Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America

John H. McCusker

mccus001@mc.duke.edu

Affiliation Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AE LAHM JHM. Performed the experiments: AE LAHM. Analyzed the data: AE LAHM JHM. Contributed reagents/materials/analysis tools: AE LAHM JHM. Wrote the paper: AE LAHM JHM.