About the Authors

Andreas J. Müller

Affiliation Institute of Microbiology, D-BIOL, ETH Zürich, Zürich, Switzerland

Claudia Hoffmann

Affiliation Institute of Microbiology, D-BIOL, ETH Zürich, Zürich, Switzerland

Wolf-Dietrich Hardt

hardt@micro.biol.ethz.ch

Affiliation Institute of Microbiology, D-BIOL, ETH Zürich, Zürich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.