About the Authors

Timo Homeier

Affiliations Institute for Microbiology and Epizootics, Veterinary Faculty, Free University Berlin, Berlin, Germany, Institute of Animal Hygiene and Veterinary Public Health, Faculty of Veterinary Medicine, University of Leipzig, Leipzig, Germany

Torsten Semmler

Affiliation Institute for Microbiology and Epizootics, Veterinary Faculty, Free University Berlin, Berlin, Germany

Lothar H. Wieler

Affiliation Institute for Microbiology and Epizootics, Veterinary Faculty, Free University Berlin, Berlin, Germany

Christa Ewers

ewers.christa@vetmed.fu-berlin.de

Affiliation Institute for Microbiology and Epizootics, Veterinary Faculty, Free University Berlin, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TH CE. Performed the experiments: TH. Analyzed the data: TH TS CE. Contributed reagents/materials/analysis tools: LHW. Wrote the paper: TH TS LHW CE.