About the Authors

Jana Kozakova

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

jana.kozakova@szu.cz

Affiliation Department of Air-Borne Bacterial Infections, National Reference Laboratory for Streptococcal Infections, Centre for Epidemiology and Microbiology, National Institute of Public Health, Prague, Czech Republic

Pavla Krizova

Roles Conceptualization, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Affiliation Department of Air-Borne Bacterial Infections, Centre for Epidemiology and Microbiology, National Institute of Public Health, Prague, Czech Republic

Marek Maly

Roles Investigation, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Unit for Biostatistics, National Institute of Public Health, Prague, Czech Republic

Competing Interests

The authors have declared that no competing interests exist. This does not alter our adherence to PLOS ONE policies on sharing data and materials.