About the Authors

Vladimir A. Morozov

Contributed equally to this work with: Vladimir A. Morozov, Viet Loan Dao Thi

Affiliation Robert Koch Institute, Berlin, Germany

Viet Loan Dao Thi

Contributed equally to this work with: Vladimir A. Morozov, Viet Loan Dao Thi

Current address: Division of Gastroenterology and Hepatology, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland

Affiliation Robert Koch Institute, Berlin, Germany

Joachim Denner

DennerJ@rki.de

Affiliation Robert Koch Institute, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JD. Performed the experiments: VAM VLDT JD. Analyzed the data: VAM VLDT JD. Wrote the paper: VAM JD VLDT.