About the Authors

Marie Helleberg

mhelleberg@sund.ku.dk.

Affiliations Department of Infectious Diseases, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark

Amanda Häggblom

Affiliations Unit of Infectious Diseases, Department of Medicine, Huddinge, Karolinska Institutet, Solna, Sweden, Department of Infectious Diseases, County Council of Gävleborg, Gävle, Sweden

Anders Sönnerborg

Affiliations Unit of Infectious Diseases, Department of Medicine, Huddinge, Karolinska Institutet, Solna, Sweden, Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institutet, Solna, Sweden

Niels Obel

Affiliation Department of Infectious Diseases, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark

Competing Interests

NO has received research funding from Roche, Bristol-Myers Squibb, Merck Sharp & Dohme, GlaxoSmithKline, Abbott, Boehringer Ingelheim, Janssen-Cilag, and Swedish Orphan. AS has received research funding from GileadSciences and Abbott Scandinavia. MH and AH report no conflicts of interest. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MH AH AS NO. Performed the experiments: MH AH AS NO. Analyzed the data: MH NO. Contributed reagents/materials/analysis tools: MH AH AS NO. Wrote the manuscript: MH NO. The manuscript was critically reviewed and subsequently approved by: MH AH AS NO.