About the Authors

Kristina Rizzardi

Affiliation Department of Microbiology, Public Health Agency of Sweden, Solna, Sweden

Thomas Åkerlund

thomas.akerlund@folkhalsomyndigheten.se

Affiliation Department of Microbiology, Public Health Agency of Sweden, Solna, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TA KR. Performed the experiments: KR. Analyzed the data: KR. Contributed reagents/materials/analysis tools: TA KR. Wrote the paper: TA KR.