1. Department of Conservative Dentistry, School of Dental Medicine, University Hospital Heidelberg, Heidelberg, Germany
2. Department of Infectious Diseases, Medical Microbiology and Hygiene, University Hospital Heidelberg, Heidelberg, Germany
3. Institute of Medical Microbiology and Hygiene, Technical University Dresden, Dresden, Germany
4. Department of Conservative Dentistry and Periodontology, Center of Dentistry, Oral Medicine and Maxillofacial Surgery, University Hospital Tübingen, Tübingen, Germany
5. Translational Lung Research Center Heidelberg (TLRC), German Center for Lung Research (DZL), University of Heidelberg, Heidelberg, Germany