1. Department of Microbiology, Faculty of Biochemistry, Biophysics and Biotechnology of Jagiellonian University, Krakow, Poland
2. Department of Periodontology, Preventive Dentistry and Oral Pathology, Jagiellonian University Medical College, Faculty of Medicine, Krakow, Poland
3. Department of Oral Immunology and Infectious Diseases, University of Louisville School of Dentistry, University of Louisville, Louisville, KY, USA