About the Authors

Anna Skoglund

Contributed equally to this work with: Anna Skoglund, Helene Kling Bäckhed

Affiliations Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden, Swedish Institute for Infectious Disease Control, Solna, Sweden

Helene Kling Bäckhed

Contributed equally to this work with: Anna Skoglund, Helene Kling Bäckhed

Affiliations Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden, Swedish Institute for Infectious Disease Control, Solna, Sweden

Christina Nilsson

Current address: Genome Technology and Biology, Genome Institute of Singapore, Singapore, Singapore

Affiliations Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden, Swedish Institute for Infectious Disease Control, Solna, Sweden

Britta Björkholm

Affiliation Swedish Institute for Infectious Disease Control, Solna, Sweden

Staffan Normark

Affiliations Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden, Swedish Institute for Infectious Disease Control, Solna, Sweden

Lars Engstrand

lars.engstrand@smi.se

Affiliations Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden, Swedish Institute for Infectious Disease Control, Solna, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AS HKB SN LE. Performed the experiments: AS HKB. Analyzed the data: AS HKB CN BB SN. Contributed reagents/materials/analysis tools: SN LE. Wrote the paper: AS HKB CN BB SN LE.