About the Authors

Matthias Imöhl

mimoehl@ukaachen.de

Affiliation Institute of Medical Microbiology and National Reference Center for Streptococci, University Hospital RWTH Aachen, Aachen, Germany

Mark van der Linden

Affiliation Institute of Medical Microbiology and National Reference Center for Streptococci, University Hospital RWTH Aachen, Aachen, Germany

Competing Interests

ML has been a member of advisory boards for and has received research grants and speakers’ honorary fees from Pfizer, GSK, Merck and SanofiPasteurMSD. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MI ML. Performed the experiments: MI ML. Analyzed the data: MI. Contributed reagents/materials/analysis tools: MI ML. Wrote the paper: MI.