1. Department of Pharmaceutical Microbiology with Laboratory for Microbiological Diagnostics; Medical University of Lublin; Lublin Poland
2. Department of Medical Microbiology; Medical University of Lublin; Lublin Poland
3. Department of Pediatric Otolaryngology, Phoniatrics and Audiology; Medical University of Lublin; Lublin Poland
4. Faculty of Health and Social Science; Pope John Paul II State School of Higher Education in Biała Podlaska; Biała Podlaska Poland