Abstract
1 Faculty of Dentistry, Medical and Health Science Centre, University of Debrecen, Debrecen, Hungary
2 Institute of Medical Microbiology, Medical and Health Science Centre, University of Debrecen, Debrecen, Hungary
3 Department of Inorganic and Analytical Chemistry, Medical and Health Science Centre, University of Debrecen, Debrecen, Hungary
4 Department of Pulmonology, Medical and Health Science Centre, University of Debrecen, Debrecen, Hungary
5 Department of Neurosurgery, Medical and Health Science Centre, University of Debrecen, Debrecen, Hungary