1. Department of Infectious Diseases, University Medical Centre Ljubljana, Ljubljana, Slovenia
2. Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
3. Institute for Biostatistics and Medical Informatics, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
4. Clinical Institute of Special Laboratory Diagnostic, University Medical Centre Ljubljana, Ljubljana, Slovenia
5. Department of Molecular Biology and Microbiology, Tufts University School of Medicine, Boston, MA, USA