1. Department of Women’s and Children’s Health, Childhood Cancer Research Unit, Astrid Lindgren Children’s Hospital, Karolinska Institutet, Stockholm, Sweden;
2. Department of Microbiology, Public Health Agency of Sweden, Solna, Sweden;
3. Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden;
4. Department of Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden;
5. Department of Medicine Solna, Unit for Infectious Diseases, Karolinska Institutet, Stockholm, Sweden