1. Department of Microbiology, Nicolaus Copernicus University in Torun, Collegium Medicum in Bydgoszcz, ul. M. Skłodowskiej-Curie 9, 85094 Bydgoszcz, Poland
2. Department of Orthopaedics and Traumatology, Nicolaus Copernicus University in Torun, Collegium Medicum in Bydgoszcz, ul. M. Skłodowskiej-Curie 9, 85094 Bydgoszcz, Poland