1. Center for Infectious Diseases and Infection Control, Jena University Hospital, Jena, Germany
2. Institute of Medical Microbiology and Hygiene, University Hospital of Ulm, Ulm, Germany
3. National Reference Center for Streptococci, Institute of Medical Microbiology, University Hospital (RWTH), Aachen, Germany
4. Department of Respiratory Medicine, Maastricht University Medical Centre − MUMC, Maastricht, The Netherlands
5. Department of Respiratory Medicine and Infectious Diseases, Charité University Medicine, Berlin, Germany
6. Department of Pulmonary Medicine, Hannover Medical School, Hannover, Germany