About the Authors

Erik Alm

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

Birgitta Lesko

Affiliations Department of Microbiology, Public Health Agency of Sweden, Solna, Sweden, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden

Gunnel Lindegren

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

Clas Ahlm

Affiliation Department of Clinical Microbiology, Umeå University, Umeå, Sweden

Sandra Söderholm

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

Kerstin I. Falk

Affiliations Department of Microbiology, Public Health Agency of Sweden, Solna, Sweden, Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden

Nina Lagerqvist

nina.lagerqvist@folkhalsomyndigheten.se

Affiliations Department of Microbiology, Public Health Agency of Sweden, Solna, Sweden, Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NL EA. Performed the experiments: NL SS GL. Analyzed the data: EA NL BL KIF. Contributed reagents/materials/analysis tools: CA. Wrote the paper: NL EA BL KIF CA. Performed the sequence analysis: EA.