1. Department of Experimental Anesthesiology; Clinic for Anesthesiology and Intensive Care Medicine; Jena University Hospital; Jena; Germany
2. Department of Microbiology; Faculty of Biochemistry, Biophysics and Biotechnology; Jagiellonian University; Krakow; Poland
3. Institute of Medical Microbiology; Jena University Hospital; Jena; Germany
4. Department of Periodontology; Laboratory of Oral Microbiology; Dental School; University of Bern; Bern; Switzerland