About the Authors

Gülsah Gabriel

Affiliation Institute of Virology, Philipps University Marburg, Germany

Astrid Herwig

Affiliation Institute of Virology, Philipps University Marburg, Germany

Hans-Dieter Klenk

To whom correspondence should be addressed. E-mail: klenk@staff.uni-marburg.de

Affiliation Institute of Virology, Philipps University Marburg, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

GG and HDK conceived and designed the experiments. GG and AH performed the experiments. GG, AH, and HDK analyzed the data. GG and HDK wrote the paper.